18781392

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{55897}}^1$

素因数の和:55915

約数の個数: 40

約数和(自身を含む): 55450816

約数和(自身を除く): 36669424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 55897, 111794, 167691, 223588, 335382, 391279, 447176, 670764, 782558, 894352, 1173837, 1341528, 1565116, 2347674, 2683056, 3130232, 4695348, 6260464, 9390696, 18781392]

約数ペア:

[(1, 18781392), (2, 9390696), (3, 6260464), (4, 4695348), (6, 3130232), (7, 2683056), (8, 2347674), (12, 1565116), (14, 1341528), (16, 1173837), (21, 894352), (24, 782558), (28, 670764), (42, 447176), (48, 391279), (56, 335382), (84, 223588), (112, 167691), (168, 111794), (336, 55897)]