19525640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 26439160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 148, 158, 167, 185, 296, 316, 334, 370, 395, 632, 668, 740, 790, 835, 1336, 1480, 1580, 1670, 2923, 3160, 3340, 5846, 6179, 6680, 11692, 12358, 13193, 14615, 23384, 24716, 26386, 29230, 30895, 49432, 52772, 58460, 61790, 65965, 105544, 116920, 123580, 131930, 247160, 263860, 488141, 527720, 976282, 1952564, 2440705, 3905128, 4881410, 9762820, 19525640]

約数ペア:

[(1, 19525640), (2, 9762820), (4, 4881410), (5, 3905128), (8, 2440705), (10, 1952564), (20, 976282), (37, 527720), (40, 488141), (74, 263860), (79, 247160), (148, 131930), (158, 123580), (167, 116920), (185, 105544), (296, 65965), (316, 61790), (334, 58460), (370, 52772), (395, 49432), (632, 30895), (668, 29230), (740, 26386), (790, 24716), (835, 23384), (1336, 14615), (1480, 13193), (1580, 12358), (1670, 11692), (2923, 6680), (3160, 6179), (3340, 5846)]