15986638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 26772480

約数和(自身を除く): 10785842

約数列:

[1, 2, 19, 31, 38, 41, 62, 82, 331, 589, 662, 779, 1178, 1271, 1558, 2542, 6289, 10261, 12578, 13571, 20522, 24149, 27142, 48298, 194959, 257849, 389918, 420701, 515698, 841402, 7993319, 15986638]

約数ペア:

[(1, 15986638), (2, 7993319), (19, 841402), (31, 515698), (38, 420701), (41, 389918), (62, 257849), (82, 194959), (331, 48298), (589, 27142), (662, 24149), (779, 20522), (1178, 13571), (1271, 12578), (1558, 10261), (2542, 6289)]