18679365390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{999431}}^1$

素因数の和:999537

約数の個数: 64

約数和(自身を含む): 51810554880

約数和(自身を除く): 33131189490

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 89, 105, 178, 210, 267, 445, 534, 623, 890, 1246, 1335, 1869, 2670, 3115, 3738, 6230, 9345, 18690, 999431, 1998862, 2998293, 4997155, 5996586, 6996017, 9994310, 13992034, 14991465, 20988051, 29982930, 34980085, 41976102, 69960170, 88949359, 104940255, 177898718, 209880510, 266848077, 444746795, 533696154, 622645513, 889493590, 1245291026, 1334240385, 1867936539, 2668480770, 3113227565, 3735873078, 6226455130, 9339682695, 18679365390]

約数ペア:

[(1, 18679365390), (2, 9339682695), (3, 6226455130), (5, 3735873078), (6, 3113227565), (7, 2668480770), (10, 1867936539), (14, 1334240385), (15, 1245291026), (21, 889493590), (30, 622645513), (35, 533696154), (42, 444746795), (70, 266848077), (89, 209880510), (105, 177898718), (178, 104940255), (210, 88949359), (267, 69960170), (445, 41976102), (534, 34980085), (623, 29982930), (890, 20988051), (1246, 14991465), (1335, 13992034), (1869, 9994310), (2670, 6996017), (3115, 5996586), (3738, 4997155), (6230, 2998293), (9345, 1998862), (18690, 999431)]