18782140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 45722880

約数和(自身を除く): 26940740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 47, 52, 53, 58, 65, 94, 106, 116, 130, 145, 188, 212, 235, 260, 265, 290, 377, 470, 530, 580, 611, 689, 754, 940, 1060, 1222, 1363, 1378, 1508, 1537, 1885, 2444, 2491, 2726, 2756, 3055, 3074, 3445, 3770, 4982, 5452, 6110, 6148, 6815, 6890, 7540, 7685, 9964, 12220, 12455, 13630, 13780, 15370, 17719, 19981, 24910, 27260, 30740, 32383, 35438, 39962, 49820, 64766, 70876, 72239, 79924, 88595, 99905, 129532, 144478, 161915, 177190, 199810, 288956, 323830, 354380, 361195, 399620, 647660, 722390, 939107, 1444780, 1878214, 3756428, 4695535, 9391070, 18782140]

約数ペア:

[(1, 18782140), (2, 9391070), (4, 4695535), (5, 3756428), (10, 1878214), (13, 1444780), (20, 939107), (26, 722390), (29, 647660), (47, 399620), (52, 361195), (53, 354380), (58, 323830), (65, 288956), (94, 199810), (106, 177190), (116, 161915), (130, 144478), (145, 129532), (188, 99905), (212, 88595), (235, 79924), (260, 72239), (265, 70876), (290, 64766), (377, 49820), (470, 39962), (530, 35438), (580, 32383), (611, 30740), (689, 27260), (754, 24910), (940, 19981), (1060, 17719), (1222, 15370), (1363, 13780), (1378, 13630), (1508, 12455), (1537, 12220), (1885, 9964), (2444, 7685), (2491, 7540), (2726, 6890), (2756, 6815), (3055, 6148), (3074, 6110), (3445, 5452), (3770, 4982)]