19993688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17477}}^1$

素因数の和:17507

約数の個数: 32

約数和(自身を含む): 44044560

約数和(自身を除く): 24050872

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17477, 34954, 69908, 139816, 192247, 227201, 384494, 454402, 768988, 908804, 1537976, 1817608, 2499211, 4998422, 9996844, 19993688]

約数ペア:

[(1, 19993688), (2, 9996844), (4, 4998422), (8, 2499211), (11, 1817608), (13, 1537976), (22, 908804), (26, 768988), (44, 454402), (52, 384494), (88, 227201), (104, 192247), (143, 139816), (286, 69908), (572, 34954), (1144, 17477)]