19880496

素因数分解:

$2^4\times 3^2\times {\mathrm{138059}}^1$

素因数の和:138073

約数の個数: 30

約数和(自身を含む): 55638180

約数和(自身を除く): 35757684

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138059, 276118, 414177, 552236, 828354, 1104472, 1242531, 1656708, 2208944, 2485062, 3313416, 4970124, 6626832, 9940248, 19880496]

約数ペア:

[(1, 19880496), (2, 9940248), (3, 6626832), (4, 4970124), (6, 3313416), (8, 2485062), (9, 2208944), (12, 1656708), (16, 1242531), (18, 1104472), (24, 828354), (36, 552236), (48, 414177), (72, 276118), (144, 138059)]