2018778736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9705667}}^1$

素因数の和:9705688

約数の個数: 20

約数和(自身を含む): 4212259912

約数和(自身を除く): 2193481176

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9705667, 19411334, 38822668, 77645336, 126173671, 155290672, 252347342, 504694684, 1009389368, 2018778736]

約数ペア:

[(1, 2018778736), (2, 1009389368), (4, 504694684), (8, 252347342), (13, 155290672), (16, 126173671), (26, 77645336), (52, 38822668), (104, 19411334), (208, 9705667)]