18978828

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{143779}}^1$

素因数の和:143797

約数の個数: 24

約数和(自身を含む): 48310080

約数和(自身を除く): 29331252

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 143779, 287558, 431337, 575116, 862674, 1581569, 1725348, 3163138, 4744707, 6326276, 9489414, 18978828]

約数ペア:

[(1, 18978828), (2, 9489414), (3, 6326276), (4, 4744707), (6, 3163138), (11, 1725348), (12, 1581569), (22, 862674), (33, 575116), (44, 431337), (66, 287558), (132, 143779)]