19879696

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{21059}}^1$

素因数の和:21126

約数の個数: 20

約数和(自身を含む): 39171600

約数和(自身を除く): 19291904

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 21059, 42118, 84236, 168472, 336944, 1242481, 2484962, 4969924, 9939848, 19879696]

約数ペア:

[(1, 19879696), (2, 9939848), (4, 4969924), (8, 2484962), (16, 1242481), (59, 336944), (118, 168472), (236, 84236), (472, 42118), (944, 21059)]