18362920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5531}}^1$

素因数の和:5625

約数の個数: 32

約数和(自身を含む): 41821920

約数和(自身を除く): 23459000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 5531, 11062, 22124, 27655, 44248, 55310, 110620, 221240, 459073, 918146, 1836292, 2295365, 3672584, 4590730, 9181460, 18362920]

約数ペア:

[(1, 18362920), (2, 9181460), (4, 4590730), (5, 3672584), (8, 2295365), (10, 1836292), (20, 918146), (40, 459073), (83, 221240), (166, 110620), (332, 55310), (415, 44248), (664, 27655), (830, 22124), (1660, 11062), (3320, 5531)]