18717180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 56125440

約数和(自身を除く): 37408260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 31, 58, 60, 62, 87, 93, 116, 124, 145, 155, 174, 186, 290, 310, 347, 348, 372, 435, 465, 580, 620, 694, 870, 899, 930, 1041, 1388, 1735, 1740, 1798, 1860, 2082, 2697, 3470, 3596, 4164, 4495, 5205, 5394, 6940, 8990, 10063, 10410, 10757, 10788, 13485, 17980, 20126, 20820, 21514, 26970, 30189, 32271, 40252, 43028, 50315, 53785, 53940, 60378, 64542, 100630, 107570, 120756, 129084, 150945, 161355, 201260, 215140, 301890, 311953, 322710, 603780, 623906, 645420, 935859, 1247812, 1559765, 1871718, 3119530, 3743436, 4679295, 6239060, 9358590, 18717180]

約数ペア:

[(1, 18717180), (2, 9358590), (3, 6239060), (4, 4679295), (5, 3743436), (6, 3119530), (10, 1871718), (12, 1559765), (15, 1247812), (20, 935859), (29, 645420), (30, 623906), (31, 603780), (58, 322710), (60, 311953), (62, 301890), (87, 215140), (93, 201260), (116, 161355), (124, 150945), (145, 129084), (155, 120756), (174, 107570), (186, 100630), (290, 64542), (310, 60378), (347, 53940), (348, 53785), (372, 50315), (435, 43028), (465, 40252), (580, 32271), (620, 30189), (694, 26970), (870, 21514), (899, 20820), (930, 20126), (1041, 17980), (1388, 13485), (1735, 10788), (1740, 10757), (1798, 10410), (1860, 10063), (2082, 8990), (2697, 6940), (3470, 5394), (3596, 5205), (4164, 4495)]