18681760

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1979}}^1$

素因数の和:2053

約数の個数: 48

約数和(自身を含む): 44906400

約数和(自身を除く): 26224640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 80, 118, 160, 236, 295, 472, 590, 944, 1180, 1888, 1979, 2360, 3958, 4720, 7916, 9440, 9895, 15832, 19790, 31664, 39580, 63328, 79160, 116761, 158320, 233522, 316640, 467044, 583805, 934088, 1167610, 1868176, 2335220, 3736352, 4670440, 9340880, 18681760]

約数ペア:

[(1, 18681760), (2, 9340880), (4, 4670440), (5, 3736352), (8, 2335220), (10, 1868176), (16, 1167610), (20, 934088), (32, 583805), (40, 467044), (59, 316640), (80, 233522), (118, 158320), (160, 116761), (236, 79160), (295, 63328), (472, 39580), (590, 31664), (944, 19790), (1180, 15832), (1888, 9895), (1979, 9440), (2360, 7916), (3958, 4720)]