19375551

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{55201}}^1$

素因数の和:55223

約数の個数: 16

約数和(自身を含む): 30913120

約数和(自身を除く): 11537569

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 55201, 165603, 496809, 717613, 1490427, 2152839, 6458517, 19375551]

約数ペア:

[(1, 19375551), (3, 6458517), (9, 2152839), (13, 1490427), (27, 717613), (39, 496809), (117, 165603), (351, 55201)]