19879860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:374

約数の個数: 192

約数和(自身を含む): 74962944

約数和(自身を除く): 55083084

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 39, 42, 44, 52, 55, 60, 65, 66, 70, 77, 78, 84, 91, 105, 110, 130, 132, 140, 143, 154, 156, 165, 182, 195, 210, 220, 231, 260, 273, 286, 308, 330, 331, 364, 385, 390, 420, 429, 455, 462, 546, 572, 660, 662, 715, 770, 780, 858, 910, 924, 993, 1001, 1092, 1155, 1324, 1365, 1430, 1540, 1655, 1716, 1820, 1986, 2002, 2145, 2310, 2317, 2730, 2860, 3003, 3310, 3641, 3972, 4004, 4290, 4303, 4620, 4634, 4965, 5005, 5460, 6006, 6620, 6951, 7282, 8580, 8606, 9268, 9930, 10010, 10923, 11585, 12012, 12909, 13902, 14564, 15015, 17212, 18205, 19860, 20020, 21515, 21846, 23170, 25487, 25818, 27804, 30030, 30121, 34755, 36410, 43030, 43692, 46340, 47333, 50974, 51636, 54615, 60060, 60242, 64545, 69510, 72820, 76461, 86060, 90363, 94666, 101948, 109230, 120484, 127435, 129090, 139020, 141999, 150605, 152922, 180726, 189332, 218460, 236665, 254870, 258180, 283998, 301210, 305844, 331331, 361452, 382305, 451815, 473330, 509740, 567996, 602420, 662662, 709995, 764610, 903630, 946660, 993993, 1325324, 1419990, 1529220, 1656655, 1807260, 1987986, 2839980, 3313310, 3975972, 4969965, 6626620, 9939930, 19879860]

約数ペア:

[(1, 19879860), (2, 9939930), (3, 6626620), (4, 4969965), (5, 3975972), (6, 3313310), (7, 2839980), (10, 1987986), (11, 1807260), (12, 1656655), (13, 1529220), (14, 1419990), (15, 1325324), (20, 993993), (21, 946660), (22, 903630), (26, 764610), (28, 709995), (30, 662662), (33, 602420), (35, 567996), (39, 509740), (42, 473330), (44, 451815), (52, 382305), (55, 361452), (60, 331331), (65, 305844), (66, 301210), (70, 283998), (77, 258180), (78, 254870), (84, 236665), (91, 218460), (105, 189332), (110, 180726), (130, 152922), (132, 150605), (140, 141999), (143, 139020), (154, 129090), (156, 127435), (165, 120484), (182, 109230), (195, 101948), (210, 94666), (220, 90363), (231, 86060), (260, 76461), (273, 72820), (286, 69510), (308, 64545), (330, 60242), (331, 60060), (364, 54615), (385, 51636), (390, 50974), (420, 47333), (429, 46340), (455, 43692), (462, 43030), (546, 36410), (572, 34755), (660, 30121), (662, 30030), (715, 27804), (770, 25818), (780, 25487), (858, 23170), (910, 21846), (924, 21515), (993, 20020), (1001, 19860), (1092, 18205), (1155, 17212), (1324, 15015), (1365, 14564), (1430, 13902), (1540, 12909), (1655, 12012), (1716, 11585), (1820, 10923), (1986, 10010), (2002, 9930), (2145, 9268), (2310, 8606), (2317, 8580), (2730, 7282), (2860, 6951), (3003, 6620), (3310, 6006), (3641, 5460), (3972, 5005), (4004, 4965), (4290, 4634), (4303, 4620)]