201819930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{517487}}^1$

素因数の和:517510

約数の個数: 32

約数和(自身を含む): 521627904

約数和(自身を除く): 319807974

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 517487, 1034974, 1552461, 2587435, 3104922, 5174870, 6727331, 7762305, 13454662, 15524610, 20181993, 33636655, 40363986, 67273310, 100909965, 201819930]

約数ペア:

[(1, 201819930), (2, 100909965), (3, 67273310), (5, 40363986), (6, 33636655), (10, 20181993), (13, 15524610), (15, 13454662), (26, 7762305), (30, 6727331), (39, 5174870), (65, 3104922), (78, 2587435), (130, 1552461), (195, 1034974), (390, 517487)]