18513248

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 39626496

約数和(自身を除く): 21113248

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 191, 208, 233, 382, 416, 466, 764, 932, 1528, 1864, 2483, 3029, 3056, 3728, 4966, 6058, 6112, 7456, 9932, 12116, 19864, 24232, 39728, 44503, 48464, 79456, 89006, 96928, 178012, 356024, 578539, 712048, 1157078, 1424096, 2314156, 4628312, 9256624, 18513248]

約数ペア:

[(1, 18513248), (2, 9256624), (4, 4628312), (8, 2314156), (13, 1424096), (16, 1157078), (26, 712048), (32, 578539), (52, 356024), (104, 178012), (191, 96928), (208, 89006), (233, 79456), (382, 48464), (416, 44503), (466, 39728), (764, 24232), (932, 19864), (1528, 12116), (1864, 9932), (2483, 7456), (3029, 6112), (3056, 6058), (3728, 4966)]