19881134

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{349}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 36926400

約数和(自身を除く): 17045266

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 313, 349, 626, 698, 2191, 2443, 4069, 4382, 4537, 4886, 8138, 9074, 28483, 31759, 56966, 63518, 109237, 218474, 764659, 1420081, 1529318, 2840162, 9940567, 19881134]

約数ペア:

[(1, 19881134), (2, 9940567), (7, 2840162), (13, 1529318), (14, 1420081), (26, 764659), (91, 218474), (182, 109237), (313, 63518), (349, 56966), (626, 31759), (698, 28483), (2191, 9074), (2443, 8138), (4069, 4886), (4382, 4537)]