20183975890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1451}}^1\times {\mathrm{8231}}^1$

素因数の和:9715

約数の個数: 48

約数和(自身を含む): 39372734016

約数和(自身を除く): 19188758126

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1451, 1690, 2902, 7255, 8231, 14510, 16462, 18863, 37726, 41155, 82310, 94315, 107003, 188630, 214006, 245219, 490438, 535015, 1070030, 1226095, 1391039, 2452190, 2782078, 6955195, 11943181, 13910390, 23886362, 59715905, 119431810, 155261353, 310522706, 776306765, 1552613530, 2018397589, 4036795178, 10091987945, 20183975890]

約数ペア:

[(1, 20183975890), (2, 10091987945), (5, 4036795178), (10, 2018397589), (13, 1552613530), (26, 776306765), (65, 310522706), (130, 155261353), (169, 119431810), (338, 59715905), (845, 23886362), (1451, 13910390), (1690, 11943181), (2902, 6955195), (7255, 2782078), (8231, 2452190), (14510, 1391039), (16462, 1226095), (18863, 1070030), (37726, 535015), (41155, 490438), (82310, 245219), (94315, 214006), (107003, 188630)]