18230690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{419}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 34776000

約数和(自身を除く): 16545310

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 229, 419, 458, 838, 1145, 2095, 2290, 4190, 4351, 7961, 8702, 15922, 21755, 39805, 43510, 79610, 95951, 191902, 479755, 959510, 1823069, 3646138, 9115345, 18230690]

約数ペア:

[(1, 18230690), (2, 9115345), (5, 3646138), (10, 1823069), (19, 959510), (38, 479755), (95, 191902), (190, 95951), (229, 79610), (419, 43510), (458, 39805), (838, 21755), (1145, 15922), (2095, 8702), (2290, 7961), (4190, 4351)]