18908370

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5387}}^1$

素因数の和:5416

約数の個数: 64

約数和(自身を含む): 54311040

約数和(自身を除く): 35402670

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 585, 702, 1170, 1755, 3510, 5387, 10774, 16161, 26935, 32322, 48483, 53870, 70031, 80805, 96966, 140062, 145449, 161610, 210093, 242415, 290898, 350155, 420186, 484830, 630279, 700310, 727245, 1050465, 1260558, 1454490, 1890837, 2100930, 3151395, 3781674, 6302790, 9454185, 18908370]

約数ペア:

[(1, 18908370), (2, 9454185), (3, 6302790), (5, 3781674), (6, 3151395), (9, 2100930), (10, 1890837), (13, 1454490), (15, 1260558), (18, 1050465), (26, 727245), (27, 700310), (30, 630279), (39, 484830), (45, 420186), (54, 350155), (65, 290898), (78, 242415), (90, 210093), (117, 161610), (130, 145449), (135, 140062), (195, 96966), (234, 80805), (270, 70031), (351, 53870), (390, 48483), (585, 32322), (702, 26935), (1170, 16161), (1755, 10774), (3510, 5387)]