18421380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3529}}^1$

素因数の和:3573

約数の個数: 72

約数和(自身を含む): 57821400

約数和(自身を除く): 39400020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 3529, 5220, 7058, 10587, 14116, 17645, 21174, 31761, 35290, 42348, 52935, 63522, 70580, 102341, 105870, 127044, 158805, 204682, 211740, 307023, 317610, 409364, 511705, 614046, 635220, 921069, 1023410, 1228092, 1535115, 1842138, 2046820, 3070230, 3684276, 4605345, 6140460, 9210690, 18421380]

約数ペア:

[(1, 18421380), (2, 9210690), (3, 6140460), (4, 4605345), (5, 3684276), (6, 3070230), (9, 2046820), (10, 1842138), (12, 1535115), (15, 1228092), (18, 1023410), (20, 921069), (29, 635220), (30, 614046), (36, 511705), (45, 409364), (58, 317610), (60, 307023), (87, 211740), (90, 204682), (116, 158805), (145, 127044), (174, 105870), (180, 102341), (261, 70580), (290, 63522), (348, 52935), (435, 42348), (522, 35290), (580, 31761), (870, 21174), (1044, 17645), (1305, 14116), (1740, 10587), (2610, 7058), (3529, 5220)]