19166680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:125

約数の個数: 128

約数和(自身を含む): 50803200

約数和(自身を除く): 31636520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 31, 40, 41, 52, 58, 62, 65, 82, 104, 116, 124, 130, 145, 155, 164, 205, 232, 248, 260, 290, 310, 328, 377, 403, 410, 520, 533, 580, 620, 754, 806, 820, 899, 1066, 1160, 1189, 1240, 1271, 1508, 1612, 1640, 1798, 1885, 2015, 2132, 2378, 2542, 2665, 3016, 3224, 3596, 3770, 4030, 4264, 4495, 4756, 5084, 5330, 5945, 6355, 7192, 7540, 8060, 8990, 9512, 10168, 10660, 11687, 11890, 12710, 15080, 15457, 16120, 16523, 17980, 21320, 23374, 23780, 25420, 30914, 33046, 35960, 36859, 46748, 47560, 50840, 58435, 61828, 66092, 73718, 77285, 82615, 93496, 116870, 123656, 132184, 147436, 154570, 165230, 184295, 233740, 294872, 309140, 330460, 368590, 467480, 479167, 618280, 660920, 737180, 958334, 1474360, 1916668, 2395835, 3833336, 4791670, 9583340, 19166680]

約数ペア:

[(1, 19166680), (2, 9583340), (4, 4791670), (5, 3833336), (8, 2395835), (10, 1916668), (13, 1474360), (20, 958334), (26, 737180), (29, 660920), (31, 618280), (40, 479167), (41, 467480), (52, 368590), (58, 330460), (62, 309140), (65, 294872), (82, 233740), (104, 184295), (116, 165230), (124, 154570), (130, 147436), (145, 132184), (155, 123656), (164, 116870), (205, 93496), (232, 82615), (248, 77285), (260, 73718), (290, 66092), (310, 61828), (328, 58435), (377, 50840), (403, 47560), (410, 46748), (520, 36859), (533, 35960), (580, 33046), (620, 30914), (754, 25420), (806, 23780), (820, 23374), (899, 21320), (1066, 17980), (1160, 16523), (1189, 16120), (1240, 15457), (1271, 15080), (1508, 12710), (1612, 11890), (1640, 11687), (1798, 10660), (1885, 10168), (2015, 9512), (2132, 8990), (2378, 8060), (2542, 7540), (2665, 7192), (3016, 6355), (3224, 5945), (3596, 5330), (3770, 5084), (4030, 4756), (4264, 4495)]