18301972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3229}}^1$

素因数の和:3355

約数の個数: 24

約数和(自身を含む): 34819400

約数和(自身を除く): 16517428

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 3229, 5668, 6458, 12916, 41977, 83954, 167908, 351961, 703922, 1407844, 4575493, 9150986, 18301972]

約数ペア:

[(1, 18301972), (2, 9150986), (4, 4575493), (13, 1407844), (26, 703922), (52, 351961), (109, 167908), (218, 83954), (436, 41977), (1417, 12916), (2834, 6458), (3229, 5668)]