19776405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4133}}^1$

素因数の和:4181

約数の個数: 32

約数和(自身を含む): 35717760

約数和(自身を除く): 15941355

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595, 4133, 4785, 12399, 20665, 45463, 61995, 119857, 136389, 227315, 359571, 599285, 681945, 1318427, 1797855, 3955281, 6592135, 19776405]

約数ペア:

[(1, 19776405), (3, 6592135), (5, 3955281), (11, 1797855), (15, 1318427), (29, 681945), (33, 599285), (55, 359571), (87, 227315), (145, 136389), (165, 119857), (319, 61995), (435, 45463), (957, 20665), (1595, 12399), (4133, 4785)]