19747372

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2243}}^1$

素因数の和:2349

約数の個数: 24

約数和(自身を含む): 36191232

約数和(自身を除く): 16443860

約数列:

[1, 2, 4, 31, 62, 71, 124, 142, 284, 2201, 2243, 4402, 4486, 8804, 8972, 69533, 139066, 159253, 278132, 318506, 637012, 4936843, 9873686, 19747372]

約数ペア:

[(1, 19747372), (2, 9873686), (4, 4936843), (31, 637012), (62, 318506), (71, 278132), (124, 159253), (142, 139066), (284, 69533), (2201, 8972), (2243, 8804), (4402, 4486)]