19912320756

素因数分解:

$2^2\times 3^2\times {\mathrm{553120021}}^1$

素因数の和:553120031

約数の個数: 18

約数和(自身を含む): 50333922002

約数和(自身を除く): 30421601246

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 553120021, 1106240042, 1659360063, 2212480084, 3318720126, 4978080189, 6637440252, 9956160378, 19912320756]

約数ペア:

[(1, 19912320756), (2, 9956160378), (3, 6637440252), (4, 4978080189), (6, 3318720126), (9, 2212480084), (12, 1659360063), (18, 1106240042), (36, 553120021)]