19987158

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 40896000

約数和(自身を除く): 20908842

約数列:

[1, 2, 3, 6, 79, 149, 158, 237, 283, 298, 447, 474, 566, 849, 894, 1698, 11771, 22357, 23542, 35313, 42167, 44714, 67071, 70626, 84334, 126501, 134142, 253002, 3331193, 6662386, 9993579, 19987158]

約数ペア:

[(1, 19987158), (2, 9993579), (3, 6662386), (6, 3331193), (79, 253002), (149, 134142), (158, 126501), (237, 84334), (283, 70626), (298, 67071), (447, 44714), (474, 42167), (566, 35313), (849, 23542), (894, 22357), (1698, 11771)]