18631760

素因数分解:

$2^4\times 5^1\times 7^4\times {\mathrm{97}}^1$

素因数の和:138

約数の個数: 100

約数和(自身を含む): 51056628

約数和(自身を除く): 32424868

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 97, 98, 112, 140, 194, 196, 245, 280, 343, 388, 392, 485, 490, 560, 679, 686, 776, 784, 970, 980, 1358, 1372, 1552, 1715, 1940, 1960, 2401, 2716, 2744, 3395, 3430, 3880, 3920, 4753, 4802, 5432, 5488, 6790, 6860, 7760, 9506, 9604, 10864, 12005, 13580, 13720, 19012, 19208, 23765, 24010, 27160, 27440, 33271, 38024, 38416, 47530, 48020, 54320, 66542, 76048, 95060, 96040, 133084, 166355, 190120, 192080, 232897, 266168, 332710, 380240, 465794, 532336, 665420, 931588, 1164485, 1330840, 1863176, 2328970, 2661680, 3726352, 4657940, 9315880, 18631760]

約数ペア:

[(1, 18631760), (2, 9315880), (4, 4657940), (5, 3726352), (7, 2661680), (8, 2328970), (10, 1863176), (14, 1330840), (16, 1164485), (20, 931588), (28, 665420), (35, 532336), (40, 465794), (49, 380240), (56, 332710), (70, 266168), (80, 232897), (97, 192080), (98, 190120), (112, 166355), (140, 133084), (194, 96040), (196, 95060), (245, 76048), (280, 66542), (343, 54320), (388, 48020), (392, 47530), (485, 38416), (490, 38024), (560, 33271), (679, 27440), (686, 27160), (776, 24010), (784, 23765), (970, 19208), (980, 19012), (1358, 13720), (1372, 13580), (1552, 12005), (1715, 10864), (1940, 9604), (1960, 9506), (2401, 7760), (2716, 6860), (2744, 6790), (3395, 5488), (3430, 5432), (3880, 4802), (3920, 4753)]