19919052

素因数分解:

$2^2\times 3^2\times {\mathrm{443}}^1\times {\mathrm{1249}}^1$

素因数の和:1702

約数の個数: 36

約数和(自身を含む): 50505000

約数和(自身を除く): 30585948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 443, 886, 1249, 1329, 1772, 2498, 2658, 3747, 3987, 4996, 5316, 7494, 7974, 11241, 14988, 15948, 22482, 44964, 553307, 1106614, 1659921, 2213228, 3319842, 4979763, 6639684, 9959526, 19919052]

約数ペア:

[(1, 19919052), (2, 9959526), (3, 6639684), (4, 4979763), (6, 3319842), (9, 2213228), (12, 1659921), (18, 1106614), (36, 553307), (443, 44964), (886, 22482), (1249, 15948), (1329, 14988), (1772, 11241), (2498, 7974), (2658, 7494), (3747, 5316), (3987, 4996)]