19198988

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{701}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 34673184

約数和(自身を除く): 15474196

約数列:

[1, 2, 4, 41, 82, 164, 167, 334, 668, 701, 1402, 2804, 6847, 13694, 27388, 28741, 57482, 114964, 117067, 234134, 468268, 4799747, 9599494, 19198988]

約数ペア:

[(1, 19198988), (2, 9599494), (4, 4799747), (41, 468268), (82, 234134), (164, 117067), (167, 114964), (334, 57482), (668, 28741), (701, 27388), (1402, 13694), (2804, 6847)]