19915392

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:294

約数の個数: 128

約数和(自身を含む): 62668800

約数和(自身を除く): 42753408

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 128, 168, 186, 192, 217, 224, 239, 248, 336, 372, 384, 434, 448, 478, 496, 651, 672, 717, 744, 868, 896, 956, 992, 1302, 1344, 1434, 1488, 1673, 1736, 1912, 1984, 2604, 2688, 2868, 2976, 3346, 3472, 3824, 3968, 5019, 5208, 5736, 5952, 6692, 6944, 7409, 7648, 10038, 10416, 11472, 11904, 13384, 13888, 14818, 15296, 20076, 20832, 22227, 22944, 26768, 27776, 29636, 30592, 40152, 41664, 44454, 45888, 51863, 53536, 59272, 80304, 83328, 88908, 91776, 103726, 107072, 118544, 155589, 160608, 177816, 207452, 214144, 237088, 311178, 321216, 355632, 414904, 474176, 622356, 642432, 711264, 829808, 948352, 1244712, 1422528, 1659616, 2489424, 2845056, 3319232, 4978848, 6638464, 9957696, 19915392]

約数ペア:

[(1, 19915392), (2, 9957696), (3, 6638464), (4, 4978848), (6, 3319232), (7, 2845056), (8, 2489424), (12, 1659616), (14, 1422528), (16, 1244712), (21, 948352), (24, 829808), (28, 711264), (31, 642432), (32, 622356), (42, 474176), (48, 414904), (56, 355632), (62, 321216), (64, 311178), (84, 237088), (93, 214144), (96, 207452), (112, 177816), (124, 160608), (128, 155589), (168, 118544), (186, 107072), (192, 103726), (217, 91776), (224, 88908), (239, 83328), (248, 80304), (336, 59272), (372, 53536), (384, 51863), (434, 45888), (448, 44454), (478, 41664), (496, 40152), (651, 30592), (672, 29636), (717, 27776), (744, 26768), (868, 22944), (896, 22227), (956, 20832), (992, 20076), (1302, 15296), (1344, 14818), (1434, 13888), (1488, 13384), (1673, 11904), (1736, 11472), (1912, 10416), (1984, 10038), (2604, 7648), (2688, 7409), (2868, 6944), (2976, 6692), (3346, 5952), (3472, 5736), (3824, 5208), (3968, 5019)]