18996990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^2$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 48526128

約数和(自身を除く): 29529138

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 193, 255, 386, 510, 579, 965, 1158, 1930, 2895, 3281, 5790, 6562, 9843, 16405, 19686, 32810, 37249, 49215, 74498, 98430, 111747, 186245, 223494, 372490, 558735, 633233, 1117470, 1266466, 1899699, 3166165, 3799398, 6332330, 9498495, 18996990]

約数ペア:

[(1, 18996990), (2, 9498495), (3, 6332330), (5, 3799398), (6, 3166165), (10, 1899699), (15, 1266466), (17, 1117470), (30, 633233), (34, 558735), (51, 372490), (85, 223494), (102, 186245), (170, 111747), (193, 98430), (255, 74498), (386, 49215), (510, 37249), (579, 32810), (965, 19686), (1158, 16405), (1930, 9843), (2895, 6562), (3281, 5790)]