18894351

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1627}}^1$

素因数の和:1723

約数の個数: 24

約数和(自身を含む): 29694720

約数和(自身を除く): 10800369

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1627, 1659, 3871, 4881, 11389, 11613, 34167, 79723, 128533, 239169, 385599, 899731, 2699193, 6298117, 18894351]

約数ペア:

[(1, 18894351), (3, 6298117), (7, 2699193), (21, 899731), (49, 385599), (79, 239169), (147, 128533), (237, 79723), (553, 34167), (1627, 11613), (1659, 11389), (3871, 4881)]