19420635

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 34573824

約数和(自身を除く): 15153189

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 163, 169, 195, 235, 489, 507, 611, 705, 815, 845, 1833, 2119, 2445, 2535, 3055, 6357, 7661, 7943, 9165, 10595, 22983, 23829, 27547, 31785, 38305, 39715, 82641, 99593, 114915, 119145, 137735, 298779, 413205, 497965, 1294709, 1493895, 3884127, 6473545, 19420635]

約数ペア:

[(1, 19420635), (3, 6473545), (5, 3884127), (13, 1493895), (15, 1294709), (39, 497965), (47, 413205), (65, 298779), (141, 137735), (163, 119145), (169, 114915), (195, 99593), (235, 82641), (489, 39715), (507, 38305), (611, 31785), (705, 27547), (815, 23829), (845, 22983), (1833, 10595), (2119, 9165), (2445, 7943), (2535, 7661), (3055, 6357)]