18979231390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1134443}}^1$

素因数の和:1134696

約数の個数: 32

約数和(自身を含む): 39206384640

約数和(自身を除く): 20227153250

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 239, 478, 1195, 1673, 2390, 3346, 8365, 16730, 1134443, 2268886, 5672215, 7941101, 11344430, 15882202, 39705505, 79411010, 271131877, 542263754, 1355659385, 1897923139, 2711318770, 3795846278, 9489615695, 18979231390]

約数ペア:

[(1, 18979231390), (2, 9489615695), (5, 3795846278), (7, 2711318770), (10, 1897923139), (14, 1355659385), (35, 542263754), (70, 271131877), (239, 79411010), (478, 39705505), (1195, 15882202), (1673, 11344430), (2390, 7941101), (3346, 5672215), (8365, 2268886), (16730, 1134443)]