18143804

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20903}}^1$

素因数の和:20945

約数の個数: 24

約数和(自身を含む): 37459968

約数和(自身を除く): 19316164

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 20903, 41806, 83612, 146321, 292642, 585284, 647993, 1295986, 2591972, 4535951, 9071902, 18143804]

約数ペア:

[(1, 18143804), (2, 9071902), (4, 4535951), (7, 2591972), (14, 1295986), (28, 647993), (31, 585284), (62, 292642), (124, 146321), (217, 83612), (434, 41806), (868, 20903)]