19651545

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6329}}^1$

素因数の和:6366

約数の個数: 32

約数和(自身を含む): 36460800

約数和(自身を除く): 16809255

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 6329, 18987, 31645, 56961, 94935, 145567, 170883, 284805, 436701, 727835, 854415, 1310103, 2183505, 3930309, 6550515, 19651545]

約数ペア:

[(1, 19651545), (3, 6550515), (5, 3930309), (9, 2183505), (15, 1310103), (23, 854415), (27, 727835), (45, 436701), (69, 284805), (115, 170883), (135, 145567), (207, 94935), (345, 56961), (621, 31645), (1035, 18987), (3105, 6329)]