18017116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{823}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 34077344

約数和(自身を除く): 16060228

約数列:

[1, 2, 4, 13, 26, 52, 421, 823, 842, 1646, 1684, 3292, 5473, 10699, 10946, 21398, 21892, 42796, 346483, 692966, 1385932, 4504279, 9008558, 18017116]

約数ペア:

[(1, 18017116), (2, 9008558), (4, 4504279), (13, 1385932), (26, 692966), (52, 346483), (421, 42796), (823, 21892), (842, 21398), (1646, 10946), (1684, 10699), (3292, 5473)]