18340860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1279}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 51609600

約数和(自身を除く): 33268740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 717, 956, 1195, 1279, 1434, 2390, 2558, 2868, 3585, 3837, 4780, 5116, 6395, 7170, 7674, 12790, 14340, 15348, 19185, 25580, 38370, 76740, 305681, 611362, 917043, 1222724, 1528405, 1834086, 3056810, 3668172, 4585215, 6113620, 9170430, 18340860]

約数ペア:

[(1, 18340860), (2, 9170430), (3, 6113620), (4, 4585215), (5, 3668172), (6, 3056810), (10, 1834086), (12, 1528405), (15, 1222724), (20, 917043), (30, 611362), (60, 305681), (239, 76740), (478, 38370), (717, 25580), (956, 19185), (1195, 15348), (1279, 14340), (1434, 12790), (2390, 7674), (2558, 7170), (2868, 6395), (3585, 5116), (3837, 4780)]