18676480

素因数分解:

$2^8\times 5^1\times {\mathrm{14591}}^1$

素因数の和:14612

約数の個数: 36

約数和(自身を含む): 44739072

約数和(自身を除く): 26062592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 14591, 29182, 58364, 72955, 116728, 145910, 233456, 291820, 466912, 583640, 933824, 1167280, 1867648, 2334560, 3735296, 4669120, 9338240, 18676480]

約数ペア:

[(1, 18676480), (2, 9338240), (4, 4669120), (5, 3735296), (8, 2334560), (10, 1867648), (16, 1167280), (20, 933824), (32, 583640), (40, 466912), (64, 291820), (80, 233456), (128, 145910), (160, 116728), (256, 72955), (320, 58364), (640, 29182), (1280, 14591)]