18654610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 40061952

約数和(自身を除く): 21407342

約数列:

[1, 2, 5, 10, 13, 17, 23, 26, 34, 46, 65, 85, 115, 130, 170, 221, 230, 299, 367, 391, 442, 598, 734, 782, 1105, 1495, 1835, 1955, 2210, 2990, 3670, 3910, 4771, 5083, 6239, 8441, 9542, 10166, 12478, 16882, 23855, 25415, 31195, 42205, 47710, 50830, 62390, 81107, 84410, 109733, 143497, 162214, 219466, 286994, 405535, 548665, 717485, 811070, 1097330, 1434970, 1865461, 3730922, 9327305, 18654610]

約数ペア:

[(1, 18654610), (2, 9327305), (5, 3730922), (10, 1865461), (13, 1434970), (17, 1097330), (23, 811070), (26, 717485), (34, 548665), (46, 405535), (65, 286994), (85, 219466), (115, 162214), (130, 143497), (170, 109733), (221, 84410), (230, 81107), (299, 62390), (367, 50830), (391, 47710), (442, 42205), (598, 31195), (734, 25415), (782, 23855), (1105, 16882), (1495, 12478), (1835, 10166), (1955, 9542), (2210, 8441), (2990, 6239), (3670, 5083), (3910, 4771)]