18304540

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5113}}^1$

素因数の和:5301

約数の個数: 24

約数和(自身を含む): 38661840

約数和(自身を除く): 20357300

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 5113, 10226, 20452, 25565, 51130, 102260, 915227, 1830454, 3660908, 4576135, 9152270, 18304540]

約数ペア:

[(1, 18304540), (2, 9152270), (4, 4576135), (5, 3660908), (10, 1830454), (20, 915227), (179, 102260), (358, 51130), (716, 25565), (895, 20452), (1790, 10226), (3580, 5113)]