19875212

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 21493108

約数列:

[1, 2, 4, 7, 14, 28, 53, 59, 106, 118, 212, 227, 236, 371, 413, 454, 742, 826, 908, 1484, 1589, 1652, 3127, 3178, 6254, 6356, 12031, 12508, 13393, 21889, 24062, 26786, 43778, 48124, 53572, 84217, 87556, 93751, 168434, 187502, 336868, 375004, 709829, 1419658, 2839316, 4968803, 9937606, 19875212]

約数ペア:

[(1, 19875212), (2, 9937606), (4, 4968803), (7, 2839316), (14, 1419658), (28, 709829), (53, 375004), (59, 336868), (106, 187502), (118, 168434), (212, 93751), (227, 87556), (236, 84217), (371, 53572), (413, 48124), (454, 43778), (742, 26786), (826, 24062), (908, 21889), (1484, 13393), (1589, 12508), (1652, 12031), (3127, 6356), (3178, 6254)]