2009181890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{117017}}^1$

素因数の和:117142

約数の個数: 32

約数和(自身を含む): 3867210864

約数和(自身を除く): 1858028974

約数列:

[1, 2, 5, 10, 17, 34, 85, 101, 170, 202, 505, 1010, 1717, 3434, 8585, 17170, 117017, 234034, 585085, 1170170, 1989289, 3978578, 9946445, 11818717, 19892890, 23637434, 59093585, 118187170, 200918189, 401836378, 1004590945, 2009181890]

約数ペア:

[(1, 2009181890), (2, 1004590945), (5, 401836378), (10, 200918189), (17, 118187170), (34, 59093585), (85, 23637434), (101, 19892890), (170, 11818717), (202, 9946445), (505, 3978578), (1010, 1989289), (1717, 1170170), (3434, 585085), (8585, 234034), (17170, 117017)]