18122709

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{653}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 27342432

約数和(自身を除く): 9219723

約数列:

[1, 3, 11, 29, 33, 87, 319, 653, 841, 957, 1959, 2523, 7183, 9251, 18937, 21549, 27753, 56811, 208307, 549173, 624921, 1647519, 6040903, 18122709]

約数ペア:

[(1, 18122709), (3, 6040903), (11, 1647519), (29, 624921), (33, 549173), (87, 208307), (319, 56811), (653, 27753), (841, 21549), (957, 18937), (1959, 9251), (2523, 7183)]