18715060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{113}}^1$

素因数の和:162

約数の個数: 108

約数和(自身を含む): 49943628

約数和(自身を除く): 31228568

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 113, 130, 140, 169, 182, 196, 226, 245, 260, 338, 364, 452, 455, 490, 565, 637, 676, 791, 845, 910, 980, 1130, 1183, 1274, 1469, 1582, 1690, 1820, 2260, 2366, 2548, 2938, 3164, 3185, 3380, 3955, 4732, 5537, 5876, 5915, 6370, 7345, 7910, 8281, 10283, 11074, 11830, 12740, 14690, 15820, 16562, 19097, 20566, 22148, 23660, 27685, 29380, 33124, 38194, 41132, 41405, 51415, 55370, 71981, 76388, 82810, 95485, 102830, 110740, 133679, 143962, 165620, 190970, 205660, 267358, 287924, 359905, 381940, 534716, 668395, 719810, 935753, 1336790, 1439620, 1871506, 2673580, 3743012, 4678765, 9357530, 18715060]

約数ペア:

[(1, 18715060), (2, 9357530), (4, 4678765), (5, 3743012), (7, 2673580), (10, 1871506), (13, 1439620), (14, 1336790), (20, 935753), (26, 719810), (28, 668395), (35, 534716), (49, 381940), (52, 359905), (65, 287924), (70, 267358), (91, 205660), (98, 190970), (113, 165620), (130, 143962), (140, 133679), (169, 110740), (182, 102830), (196, 95485), (226, 82810), (245, 76388), (260, 71981), (338, 55370), (364, 51415), (452, 41405), (455, 41132), (490, 38194), (565, 33124), (637, 29380), (676, 27685), (791, 23660), (845, 22148), (910, 20566), (980, 19097), (1130, 16562), (1183, 15820), (1274, 14690), (1469, 12740), (1582, 11830), (1690, 11074), (1820, 10283), (2260, 8281), (2366, 7910), (2548, 7345), (2938, 6370), (3164, 5915), (3185, 5876), (3380, 5537), (3955, 4732)]