18227720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65099}}^1$

素因数の和:65117

約数の個数: 32

約数和(自身を含む): 46872000

約数和(自身を除く): 28644280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65099, 130198, 260396, 325495, 455693, 520792, 650990, 911386, 1301980, 1822772, 2278465, 2603960, 3645544, 4556930, 9113860, 18227720]

約数ペア:

[(1, 18227720), (2, 9113860), (4, 4556930), (5, 3645544), (7, 2603960), (8, 2278465), (10, 1822772), (14, 1301980), (20, 911386), (28, 650990), (35, 520792), (40, 455693), (56, 325495), (70, 260396), (140, 130198), (280, 65099)]