18617890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109517}}^1$

素因数の和:109541

約数の個数: 16

約数和(自身を含む): 35483832

約数和(自身を除く): 16865942

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 109517, 219034, 547585, 1095170, 1861789, 3723578, 9308945, 18617890]

約数ペア:

[(1, 18617890), (2, 9308945), (5, 3723578), (10, 1861789), (17, 1095170), (34, 547585), (85, 219034), (170, 109517)]