18630248

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 43532160

約数和(自身を除く): 24901912

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 157, 163, 182, 314, 326, 364, 628, 652, 728, 1099, 1141, 1256, 1304, 2041, 2119, 2198, 2282, 4082, 4238, 4396, 4564, 8164, 8476, 8792, 9128, 14287, 14833, 16328, 16952, 25591, 28574, 29666, 51182, 57148, 59332, 102364, 114296, 118664, 179137, 204728, 332683, 358274, 665366, 716548, 1330732, 1433096, 2328781, 2661464, 4657562, 9315124, 18630248]

約数ペア:

[(1, 18630248), (2, 9315124), (4, 4657562), (7, 2661464), (8, 2328781), (13, 1433096), (14, 1330732), (26, 716548), (28, 665366), (52, 358274), (56, 332683), (91, 204728), (104, 179137), (157, 118664), (163, 114296), (182, 102364), (314, 59332), (326, 57148), (364, 51182), (628, 29666), (652, 28574), (728, 25591), (1099, 16952), (1141, 16328), (1256, 14833), (1304, 14287), (2041, 9128), (2119, 8792), (2198, 8476), (2282, 8164), (4082, 4564), (4238, 4396)]