19040296

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3547}}^1$

素因数の和:3625

約数の個数: 32

約数和(自身を含む): 39595680

約数和(自身を除く): 20555384

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3547, 5368, 7094, 14188, 28376, 39017, 78034, 156068, 216367, 312136, 432734, 865468, 1730936, 2380037, 4760074, 9520148, 19040296]

約数ペア:

[(1, 19040296), (2, 9520148), (4, 4760074), (8, 2380037), (11, 1730936), (22, 865468), (44, 432734), (61, 312136), (88, 216367), (122, 156068), (244, 78034), (488, 39017), (671, 28376), (1342, 14188), (2684, 7094), (3547, 5368)]