18560668

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{38993}}^1$

素因数の和:39021

約数の個数: 24

約数和(自身を含む): 39305952

約数和(自身を除く): 20745284

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 38993, 77986, 155972, 272951, 545902, 662881, 1091804, 1325762, 2651524, 4640167, 9280334, 18560668]

約数ペア:

[(1, 18560668), (2, 9280334), (4, 4640167), (7, 2651524), (14, 1325762), (17, 1091804), (28, 662881), (34, 545902), (68, 272951), (119, 155972), (238, 77986), (476, 38993)]