18441020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3733}}^1$

素因数の和:3774

約数の個数: 48

約数和(自身を含む): 43911840

約数和(自身を除く): 25470820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 3733, 4940, 7466, 14932, 18665, 37330, 48529, 70927, 74660, 97058, 141854, 194116, 242645, 283708, 354635, 485290, 709270, 922051, 970580, 1418540, 1844102, 3688204, 4610255, 9220510, 18441020]

約数ペア:

[(1, 18441020), (2, 9220510), (4, 4610255), (5, 3688204), (10, 1844102), (13, 1418540), (19, 970580), (20, 922051), (26, 709270), (38, 485290), (52, 354635), (65, 283708), (76, 242645), (95, 194116), (130, 141854), (190, 97058), (247, 74660), (260, 70927), (380, 48529), (494, 37330), (988, 18665), (1235, 14932), (2470, 7466), (3733, 4940)]