18317560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15791}}^1$

素因数の和:15831

約数の個数: 32

約数和(自身を含む): 42638400

約数和(自身を除く): 24320840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 15791, 31582, 63164, 78955, 126328, 157910, 315820, 457939, 631640, 915878, 1831756, 2289695, 3663512, 4579390, 9158780, 18317560]

約数ペア:

[(1, 18317560), (2, 9158780), (4, 4579390), (5, 3663512), (8, 2289695), (10, 1831756), (20, 915878), (29, 631640), (40, 457939), (58, 315820), (116, 157910), (145, 126328), (232, 78955), (290, 63164), (580, 31582), (1160, 15791)]