39971668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 81144000

約数和(自身を除く): 41172332

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 137, 209, 274, 349, 418, 548, 698, 836, 1396, 1507, 2603, 3014, 3839, 5206, 6028, 6631, 7678, 10412, 13262, 15356, 26524, 28633, 47813, 57266, 72941, 95626, 114532, 145882, 191252, 291764, 525943, 908447, 1051886, 1816894, 2103772, 3633788, 9992917, 19985834, 39971668]

約数ペア:

[(1, 39971668), (2, 19985834), (4, 9992917), (11, 3633788), (19, 2103772), (22, 1816894), (38, 1051886), (44, 908447), (76, 525943), (137, 291764), (209, 191252), (274, 145882), (349, 114532), (418, 95626), (548, 72941), (698, 57266), (836, 47813), (1396, 28633), (1507, 26524), (2603, 15356), (3014, 13262), (3839, 10412), (5206, 7678), (6028, 6631)]