18204620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7649}}^1$

素因数の和:7682

約数の個数: 48

約数和(自身を含む): 46267200

約数和(自身を除く): 28062580

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 7649, 15298, 30596, 38245, 53543, 76490, 107086, 130033, 152980, 214172, 260066, 267715, 520132, 535430, 650165, 910231, 1070860, 1300330, 1820462, 2600660, 3640924, 4551155, 9102310, 18204620]

約数ペア:

[(1, 18204620), (2, 9102310), (4, 4551155), (5, 3640924), (7, 2600660), (10, 1820462), (14, 1300330), (17, 1070860), (20, 910231), (28, 650165), (34, 535430), (35, 520132), (68, 267715), (70, 260066), (85, 214172), (119, 152980), (140, 130033), (170, 107086), (238, 76490), (340, 53543), (476, 38245), (595, 30596), (1190, 15298), (2380, 7649)]