18180650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 36419544

約数和(自身を除く): 18238894

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 73, 85, 146, 170, 293, 365, 425, 586, 730, 850, 1241, 1465, 1825, 2482, 2930, 3650, 4981, 6205, 7325, 9962, 12410, 14650, 21389, 24905, 31025, 42778, 49810, 62050, 106945, 124525, 213890, 249050, 363613, 534725, 727226, 1069450, 1818065, 3636130, 9090325, 18180650]

約数ペア:

[(1, 18180650), (2, 9090325), (5, 3636130), (10, 1818065), (17, 1069450), (25, 727226), (34, 534725), (50, 363613), (73, 249050), (85, 213890), (146, 124525), (170, 106945), (293, 62050), (365, 49810), (425, 42778), (586, 31025), (730, 24905), (850, 21389), (1241, 14650), (1465, 12410), (1825, 9962), (2482, 7325), (2930, 6205), (3650, 4981)]