18270552

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 48672000

約数和(自身を除く): 30401448

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 103, 114, 152, 206, 228, 309, 389, 412, 456, 618, 778, 824, 1167, 1236, 1556, 1957, 2334, 2472, 3112, 3914, 4668, 5871, 7391, 7828, 9336, 11742, 14782, 15656, 22173, 23484, 29564, 40067, 44346, 46968, 59128, 80134, 88692, 120201, 160268, 177384, 240402, 320536, 480804, 761273, 961608, 1522546, 2283819, 3045092, 4567638, 6090184, 9135276, 18270552]

約数ペア:

[(1, 18270552), (2, 9135276), (3, 6090184), (4, 4567638), (6, 3045092), (8, 2283819), (12, 1522546), (19, 961608), (24, 761273), (38, 480804), (57, 320536), (76, 240402), (103, 177384), (114, 160268), (152, 120201), (206, 88692), (228, 80134), (309, 59128), (389, 46968), (412, 44346), (456, 40067), (618, 29564), (778, 23484), (824, 22173), (1167, 15656), (1236, 14782), (1556, 11742), (1957, 9336), (2334, 7828), (2472, 7391), (3112, 5871), (3914, 4668)]