19711195

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 28717056

約数和(自身を除く): 9005861

約数列:

[1, 5, 7, 31, 35, 37, 155, 185, 217, 259, 491, 1085, 1147, 1295, 2455, 3437, 5735, 8029, 15221, 17185, 18167, 40145, 76105, 90835, 106547, 127169, 532735, 563177, 635845, 2815885, 3942239, 19711195]

約数ペア:

[(1, 19711195), (5, 3942239), (7, 2815885), (31, 635845), (35, 563177), (37, 532735), (155, 127169), (185, 106547), (217, 90835), (259, 76105), (491, 40145), (1085, 18167), (1147, 17185), (1295, 15221), (2455, 8029), (3437, 5735)]