18043340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{359}}^2$

素因数の和:734

約数の個数: 36

約数和(自身を含む): 43424976

約数和(自身を除く): 25381636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 359, 718, 1436, 1795, 2513, 3590, 5026, 7180, 10052, 12565, 25130, 50260, 128881, 257762, 515524, 644405, 902167, 1288810, 1804334, 2577620, 3608668, 4510835, 9021670, 18043340]

約数ペア:

[(1, 18043340), (2, 9021670), (4, 4510835), (5, 3608668), (7, 2577620), (10, 1804334), (14, 1288810), (20, 902167), (28, 644405), (35, 515524), (70, 257762), (140, 128881), (359, 50260), (718, 25130), (1436, 12565), (1795, 10052), (2513, 7180), (3590, 5026)]