2019857710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{231901}}^1$

素因数の和:231988

約数の個数: 32

約数和(自身を含む): 3973872672

約数和(自身を除く): 1954014962

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 4355, 8710, 231901, 463802, 1159505, 2319010, 3014713, 6029426, 15073565, 15537367, 30147130, 31074734, 77686835, 155373670, 201985771, 403971542, 1009928855, 2019857710]

約数ペア:

[(1, 2019857710), (2, 1009928855), (5, 403971542), (10, 201985771), (13, 155373670), (26, 77686835), (65, 31074734), (67, 30147130), (130, 15537367), (134, 15073565), (335, 6029426), (670, 3014713), (871, 2319010), (1742, 1159505), (4355, 463802), (8710, 231901)]