17981630

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2113}}^1$

素因数の和:2180

約数の個数: 32

約数和(自身を含む): 34703424

約数和(自身を除く): 16721794

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 851, 1702, 2113, 4226, 4255, 8510, 10565, 21130, 48599, 78181, 97198, 156362, 242995, 390905, 485990, 781810, 1798163, 3596326, 8990815, 17981630]

約数ペア:

[(1, 17981630), (2, 8990815), (5, 3596326), (10, 1798163), (23, 781810), (37, 485990), (46, 390905), (74, 242995), (115, 156362), (185, 97198), (230, 78181), (370, 48599), (851, 21130), (1702, 10565), (2113, 8510), (4226, 4255)]