18355850

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 35676288

約数和(自身を除く): 17320438

約数列:

[1, 2, 5, 10, 25, 47, 50, 73, 94, 107, 146, 214, 235, 365, 470, 535, 730, 1070, 1175, 1825, 2350, 2675, 3431, 3650, 5029, 5350, 6862, 7811, 10058, 15622, 17155, 25145, 34310, 39055, 50290, 78110, 85775, 125725, 171550, 195275, 251450, 367117, 390550, 734234, 1835585, 3671170, 9177925, 18355850]

約数ペア:

[(1, 18355850), (2, 9177925), (5, 3671170), (10, 1835585), (25, 734234), (47, 390550), (50, 367117), (73, 251450), (94, 195275), (107, 171550), (146, 125725), (214, 85775), (235, 78110), (365, 50290), (470, 39055), (535, 34310), (730, 25145), (1070, 17155), (1175, 15622), (1825, 10058), (2350, 7811), (2675, 6862), (3431, 5350), (3650, 5029)]