18616486

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 14284634

約数列:

[1, 2, 7, 14, 67, 89, 134, 178, 223, 446, 469, 623, 938, 1246, 1561, 3122, 5963, 11926, 14941, 19847, 29882, 39694, 41741, 83482, 104587, 138929, 209174, 277858, 1329749, 2659498, 9308243, 18616486]

約数ペア:

[(1, 18616486), (2, 9308243), (7, 2659498), (14, 1329749), (67, 277858), (89, 209174), (134, 138929), (178, 104587), (223, 83482), (446, 41741), (469, 39694), (623, 29882), (938, 19847), (1246, 14941), (1561, 11926), (3122, 5963)]