19970291096

素因数分解:

$2^3\times 7^1\times {\mathrm{991}}^1\times {\mathrm{359851}}^1$

素因数の和:360855

約数の個数: 32

約数和(自身を含む): 42836782080

約数和(自身を除く): 22866490984

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 991, 1982, 3964, 6937, 7928, 13874, 27748, 55496, 359851, 719702, 1439404, 2518957, 2878808, 5037914, 10075828, 20151656, 356612341, 713224682, 1426449364, 2496286387, 2852898728, 4992572774, 9985145548, 19970291096]

約数ペア:

[(1, 19970291096), (2, 9985145548), (4, 4992572774), (7, 2852898728), (8, 2496286387), (14, 1426449364), (28, 713224682), (56, 356612341), (991, 20151656), (1982, 10075828), (3964, 5037914), (6937, 2878808), (7928, 2518957), (13874, 1439404), (27748, 719702), (55496, 359851)]