18352737

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{601}}^1$

素因数の和:655

約数の個数: 40

約数和(自身を含む): 30593640

約数和(自身を除く): 12240903

約数列:

[1, 3, 9, 13, 27, 29, 39, 81, 87, 117, 261, 351, 377, 601, 783, 1053, 1131, 1803, 2349, 3393, 5409, 7813, 10179, 16227, 17429, 23439, 30537, 48681, 52287, 70317, 156861, 210951, 226577, 470583, 632853, 679731, 1411749, 2039193, 6117579, 18352737]

約数ペア:

[(1, 18352737), (3, 6117579), (9, 2039193), (13, 1411749), (27, 679731), (29, 632853), (39, 470583), (81, 226577), (87, 210951), (117, 156861), (261, 70317), (351, 52287), (377, 48681), (601, 30537), (783, 23439), (1053, 17429), (1131, 16227), (1803, 10179), (2349, 7813), (3393, 5409)]