19862812

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:585

約数の個数: 24

約数和(自身を含む): 35481600

約数和(自身を除く): 15618788

約数列:

[1, 2, 4, 79, 158, 239, 263, 316, 478, 526, 956, 1052, 18881, 20777, 37762, 41554, 62857, 75524, 83108, 125714, 251428, 4965703, 9931406, 19862812]

約数ペア:

[(1, 19862812), (2, 9931406), (4, 4965703), (79, 251428), (158, 125714), (239, 83108), (263, 75524), (316, 62857), (478, 41554), (526, 37762), (956, 20777), (1052, 18881)]