320586772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{20183}}^1$

素因数の和:20236

約数の個数: 36

約数和(自身を含む): 645968736

約数和(自身を除く): 325381964

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 361, 418, 722, 836, 1444, 3971, 7942, 15884, 20183, 40366, 80732, 222013, 383477, 444026, 766954, 888052, 1533908, 4218247, 7286063, 8436494, 14572126, 16872988, 29144252, 80146693, 160293386, 320586772]

約数ペア:

[(1, 320586772), (2, 160293386), (4, 80146693), (11, 29144252), (19, 16872988), (22, 14572126), (38, 8436494), (44, 7286063), (76, 4218247), (209, 1533908), (361, 888052), (418, 766954), (722, 444026), (836, 383477), (1444, 222013), (3971, 80732), (7942, 40366), (15884, 20183)]