18869540145

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{328709}}^1$

素因数の和:328849

約数の個数: 32

約数和(自身を含む): 31240598400

約数和(自身を除く): 12371058255

約数列:

[1, 3, 5, 15, 43, 89, 129, 215, 267, 445, 645, 1335, 3827, 11481, 19135, 57405, 328709, 986127, 1643545, 4930635, 14134487, 29255101, 42403461, 70672435, 87765303, 146275505, 212017305, 438826515, 1257969343, 3773908029, 6289846715, 18869540145]

約数ペア:

[(1, 18869540145), (3, 6289846715), (5, 3773908029), (15, 1257969343), (43, 438826515), (89, 212017305), (129, 146275505), (215, 87765303), (267, 70672435), (445, 42403461), (645, 29255101), (1335, 14134487), (3827, 4930635), (11481, 1643545), (19135, 986127), (57405, 328709)]