19797664

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1$

素因数の和:797

約数の個数: 48

約数和(自身を含む): 41827968

約数和(自身を除く): 22030304

約数列:

[1, 2, 4, 8, 16, 23, 32, 37, 46, 74, 92, 148, 184, 296, 368, 592, 727, 736, 851, 1184, 1454, 1702, 2908, 3404, 5816, 6808, 11632, 13616, 16721, 23264, 26899, 27232, 33442, 53798, 66884, 107596, 133768, 215192, 267536, 430384, 535072, 618677, 860768, 1237354, 2474708, 4949416, 9898832, 19797664]

約数ペア:

[(1, 19797664), (2, 9898832), (4, 4949416), (8, 2474708), (16, 1237354), (23, 860768), (32, 618677), (37, 535072), (46, 430384), (74, 267536), (92, 215192), (148, 133768), (184, 107596), (296, 66884), (368, 53798), (592, 33442), (727, 27232), (736, 26899), (851, 23264), (1184, 16721), (1454, 13616), (1702, 11632), (2908, 6808), (3404, 5816)]