18042290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{36821}}^1$

素因数の和:36842

約数の個数: 24

約数和(自身を含む): 37779372

約数和(自身を除く): 19737082

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 36821, 73642, 184105, 257747, 368210, 515494, 1288735, 1804229, 2577470, 3608458, 9021145, 18042290]

約数ペア:

[(1, 18042290), (2, 9021145), (5, 3608458), (7, 2577470), (10, 1804229), (14, 1288735), (35, 515494), (49, 368210), (70, 257747), (98, 184105), (245, 73642), (490, 36821)]