18095580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{439}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 55255200

約数和(自身を除く): 37159620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 439, 458, 687, 878, 916, 1145, 1317, 1374, 1756, 2061, 2195, 2290, 2634, 2748, 3435, 3951, 4122, 4390, 4580, 5268, 6585, 6870, 7902, 8244, 8780, 10305, 13170, 13740, 15804, 19755, 20610, 26340, 39510, 41220, 79020, 100531, 201062, 301593, 402124, 502655, 603186, 904779, 1005310, 1206372, 1507965, 1809558, 2010620, 3015930, 3619116, 4523895, 6031860, 9047790, 18095580]

約数ペア:

[(1, 18095580), (2, 9047790), (3, 6031860), (4, 4523895), (5, 3619116), (6, 3015930), (9, 2010620), (10, 1809558), (12, 1507965), (15, 1206372), (18, 1005310), (20, 904779), (30, 603186), (36, 502655), (45, 402124), (60, 301593), (90, 201062), (180, 100531), (229, 79020), (439, 41220), (458, 39510), (687, 26340), (878, 20610), (916, 19755), (1145, 15804), (1317, 13740), (1374, 13170), (1756, 10305), (2061, 8780), (2195, 8244), (2290, 7902), (2634, 6870), (2748, 6585), (3435, 5268), (3951, 4580), (4122, 4390)]