20161900818

素因数分解:

$2^1\times 3^2\times {\mathrm{271}}^1\times {\mathrm{773}}^1\times {\mathrm{5347}}^1$

素因数の和:6399

約数の個数: 48

約数和(自身を含む): 43910246016

約数和(自身を除く): 23748345198

約数列:

[1, 2, 3, 6, 9, 18, 271, 542, 773, 813, 1546, 1626, 2319, 2439, 4638, 4878, 5347, 6957, 10694, 13914, 16041, 32082, 48123, 96246, 209483, 418966, 628449, 1256898, 1449037, 1885347, 2898074, 3770694, 4133231, 4347111, 8266462, 8694222, 12399693, 13041333, 24799386, 26082666, 37199079, 74398158, 1120105601, 2240211202, 3360316803, 6720633606, 10080950409, 20161900818]

約数ペア:

[(1, 20161900818), (2, 10080950409), (3, 6720633606), (6, 3360316803), (9, 2240211202), (18, 1120105601), (271, 74398158), (542, 37199079), (773, 26082666), (813, 24799386), (1546, 13041333), (1626, 12399693), (2319, 8694222), (2439, 8266462), (4638, 4347111), (4878, 4133231), (5347, 3770694), (6957, 2898074), (10694, 1885347), (13914, 1449037), (16041, 1256898), (32082, 628449), (48123, 418966), (96246, 209483)]