18408037676

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{32257}}^1$

素因数の和:32586

約数の個数: 48

約数和(自身を含む): 37393473600

約数和(自身を除く): 18985435924

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 229, 356, 458, 623, 916, 1246, 1603, 2492, 3206, 6412, 20381, 32257, 40762, 64514, 81524, 129028, 142667, 225799, 285334, 451598, 570668, 903196, 2870873, 5741746, 7386853, 11483492, 14773706, 20096111, 29547412, 40192222, 51707971, 80384444, 103415942, 206831884, 657429917, 1314859834, 2629719668, 4602009419, 9204018838, 18408037676]

約数ペア:

[(1, 18408037676), (2, 9204018838), (4, 4602009419), (7, 2629719668), (14, 1314859834), (28, 657429917), (89, 206831884), (178, 103415942), (229, 80384444), (356, 51707971), (458, 40192222), (623, 29547412), (916, 20096111), (1246, 14773706), (1603, 11483492), (2492, 7386853), (3206, 5741746), (6412, 2870873), (20381, 903196), (32257, 570668), (40762, 451598), (64514, 285334), (81524, 225799), (129028, 142667)]