19715872

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{709}}^1$

素因数の和:809

約数の個数: 48

約数和(自身を含む): 42940800

約数和(自身を除く): 23224928

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 79, 88, 158, 176, 316, 352, 632, 709, 869, 1264, 1418, 1738, 2528, 2836, 3476, 5672, 6952, 7799, 11344, 13904, 15598, 22688, 27808, 31196, 56011, 62392, 112022, 124784, 224044, 249568, 448088, 616121, 896176, 1232242, 1792352, 2464484, 4928968, 9857936, 19715872]

約数ペア:

[(1, 19715872), (2, 9857936), (4, 4928968), (8, 2464484), (11, 1792352), (16, 1232242), (22, 896176), (32, 616121), (44, 448088), (79, 249568), (88, 224044), (158, 124784), (176, 112022), (316, 62392), (352, 56011), (632, 31196), (709, 27808), (869, 22688), (1264, 15598), (1418, 13904), (1738, 11344), (2528, 7799), (2836, 6952), (3476, 5672)]