18570591

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 30890496

約数和(自身を除く): 12319905

約数列:

[1, 3, 9, 13, 23, 39, 67, 69, 103, 117, 201, 207, 299, 309, 603, 871, 897, 927, 1339, 1541, 2369, 2613, 2691, 4017, 4623, 6901, 7107, 7839, 12051, 13869, 20033, 20703, 21321, 30797, 60099, 62109, 89713, 92391, 158723, 180297, 269139, 277173, 476169, 807417, 1428507, 2063399, 6190197, 18570591]

約数ペア:

[(1, 18570591), (3, 6190197), (9, 2063399), (13, 1428507), (23, 807417), (39, 476169), (67, 277173), (69, 269139), (103, 180297), (117, 158723), (201, 92391), (207, 89713), (299, 62109), (309, 60099), (603, 30797), (871, 21321), (897, 20703), (927, 20033), (1339, 13869), (1541, 12051), (2369, 7839), (2613, 7107), (2691, 6901), (4017, 4623)]