19717452

素因数分解:

$2^2\times 3^3\times {\mathrm{79}}^1\times {\mathrm{2311}}^1$

素因数の和:2403

約数の個数: 48

約数和(自身を含む): 51788800

約数和(自身を除く): 32071348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 108, 158, 237, 316, 474, 711, 948, 1422, 2133, 2311, 2844, 4266, 4622, 6933, 8532, 9244, 13866, 20799, 27732, 41598, 62397, 83196, 124794, 182569, 249588, 365138, 547707, 730276, 1095414, 1643121, 2190828, 3286242, 4929363, 6572484, 9858726, 19717452]

約数ペア:

[(1, 19717452), (2, 9858726), (3, 6572484), (4, 4929363), (6, 3286242), (9, 2190828), (12, 1643121), (18, 1095414), (27, 730276), (36, 547707), (54, 365138), (79, 249588), (108, 182569), (158, 124794), (237, 83196), (316, 62397), (474, 41598), (711, 27732), (948, 20799), (1422, 13866), (2133, 9244), (2311, 8532), (2844, 6933), (4266, 4622)]