18293020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 41041728

約数和(自身を除く): 22748708

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 173, 311, 340, 346, 622, 692, 865, 1244, 1555, 1730, 2941, 3110, 3460, 5287, 5882, 6220, 10574, 11764, 14705, 21148, 26435, 29410, 52870, 53803, 58820, 105740, 107606, 215212, 269015, 538030, 914651, 1076060, 1829302, 3658604, 4573255, 9146510, 18293020]

約数ペア:

[(1, 18293020), (2, 9146510), (4, 4573255), (5, 3658604), (10, 1829302), (17, 1076060), (20, 914651), (34, 538030), (68, 269015), (85, 215212), (170, 107606), (173, 105740), (311, 58820), (340, 53803), (346, 52870), (622, 29410), (692, 26435), (865, 21148), (1244, 14705), (1555, 11764), (1730, 10574), (2941, 6220), (3110, 5882), (3460, 5287)]