19749870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 192

約数和(自身を含む): 64696320

約数和(自身を除く): 44946450

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 29, 30, 35, 42, 45, 46, 47, 58, 63, 69, 70, 87, 90, 94, 105, 115, 126, 138, 141, 145, 161, 174, 203, 207, 210, 230, 235, 261, 282, 290, 315, 322, 329, 345, 406, 414, 423, 435, 470, 483, 522, 609, 630, 658, 667, 690, 705, 805, 846, 870, 966, 987, 1015, 1035, 1081, 1218, 1305, 1334, 1363, 1410, 1449, 1610, 1645, 1827, 1974, 2001, 2030, 2070, 2115, 2162, 2415, 2610, 2726, 2898, 2961, 3045, 3243, 3290, 3335, 3654, 4002, 4089, 4230, 4669, 4830, 4935, 5405, 5922, 6003, 6090, 6486, 6670, 6815, 7245, 7567, 8178, 9135, 9338, 9541, 9729, 9870, 10005, 10810, 12006, 12267, 13630, 14007, 14490, 14805, 15134, 16215, 18270, 19082, 19458, 20010, 20445, 22701, 23345, 24534, 28014, 28623, 29610, 30015, 31349, 32430, 37835, 40890, 42021, 45402, 46690, 47705, 48645, 57246, 60030, 61335, 62698, 68103, 70035, 75670, 84042, 85869, 94047, 95410, 97290, 113505, 122670, 136206, 140070, 143115, 156745, 171738, 188094, 210105, 219443, 227010, 282141, 286230, 313490, 340515, 420210, 429345, 438886, 470235, 564282, 658329, 681030, 858690, 940470, 1097215, 1316658, 1410705, 1974987, 2194430, 2821410, 3291645, 3949974, 6583290, 9874935, 19749870]

約数ペア:

[(1, 19749870), (2, 9874935), (3, 6583290), (5, 3949974), (6, 3291645), (7, 2821410), (9, 2194430), (10, 1974987), (14, 1410705), (15, 1316658), (18, 1097215), (21, 940470), (23, 858690), (29, 681030), (30, 658329), (35, 564282), (42, 470235), (45, 438886), (46, 429345), (47, 420210), (58, 340515), (63, 313490), (69, 286230), (70, 282141), (87, 227010), (90, 219443), (94, 210105), (105, 188094), (115, 171738), (126, 156745), (138, 143115), (141, 140070), (145, 136206), (161, 122670), (174, 113505), (203, 97290), (207, 95410), (210, 94047), (230, 85869), (235, 84042), (261, 75670), (282, 70035), (290, 68103), (315, 62698), (322, 61335), (329, 60030), (345, 57246), (406, 48645), (414, 47705), (423, 46690), (435, 45402), (470, 42021), (483, 40890), (522, 37835), (609, 32430), (630, 31349), (658, 30015), (667, 29610), (690, 28623), (705, 28014), (805, 24534), (846, 23345), (870, 22701), (966, 20445), (987, 20010), (1015, 19458), (1035, 19082), (1081, 18270), (1218, 16215), (1305, 15134), (1334, 14805), (1363, 14490), (1410, 14007), (1449, 13630), (1610, 12267), (1645, 12006), (1827, 10810), (1974, 10005), (2001, 9870), (2030, 9729), (2070, 9541), (2115, 9338), (2162, 9135), (2415, 8178), (2610, 7567), (2726, 7245), (2898, 6815), (2961, 6670), (3045, 6486), (3243, 6090), (3290, 6003), (3335, 5922), (3654, 5405), (4002, 4935), (4089, 4830), (4230, 4669)]