18103860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2339}}^1$

素因数の和:2397

約数の個数: 72

約数和(自身を含む): 56216160

約数和(自身を除く): 38112300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2339, 2580, 3870, 4678, 7017, 7740, 9356, 11695, 14034, 21051, 23390, 28068, 35085, 42102, 46780, 70170, 84204, 100577, 105255, 140340, 201154, 210510, 301731, 402308, 421020, 502885, 603462, 905193, 1005770, 1206924, 1508655, 1810386, 2011540, 3017310, 3620772, 4525965, 6034620, 9051930, 18103860]

約数ペア:

[(1, 18103860), (2, 9051930), (3, 6034620), (4, 4525965), (5, 3620772), (6, 3017310), (9, 2011540), (10, 1810386), (12, 1508655), (15, 1206924), (18, 1005770), (20, 905193), (30, 603462), (36, 502885), (43, 421020), (45, 402308), (60, 301731), (86, 210510), (90, 201154), (129, 140340), (172, 105255), (180, 100577), (215, 84204), (258, 70170), (387, 46780), (430, 42102), (516, 35085), (645, 28068), (774, 23390), (860, 21051), (1290, 14034), (1548, 11695), (1935, 9356), (2339, 7740), (2580, 7017), (3870, 4678)]