18239284

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21013}}^1$

素因数の和:21055

約数の個数: 24

約数和(自身を含む): 37657088

約数和(自身を除く): 19417804

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 21013, 42026, 84052, 147091, 294182, 588364, 651403, 1302806, 2605612, 4559821, 9119642, 18239284]

約数ペア:

[(1, 18239284), (2, 9119642), (4, 4559821), (7, 2605612), (14, 1302806), (28, 651403), (31, 588364), (62, 294182), (124, 147091), (217, 84052), (434, 42026), (868, 21013)]