18746648

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{449}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 37422000

約数和(自身を除く): 18675352

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 307, 449, 614, 898, 1228, 1796, 2456, 3592, 5219, 7633, 10438, 15266, 20876, 30532, 41752, 61064, 137843, 275686, 551372, 1102744, 2343331, 4686662, 9373324, 18746648]

約数ペア:

[(1, 18746648), (2, 9373324), (4, 4686662), (8, 2343331), (17, 1102744), (34, 551372), (68, 275686), (136, 137843), (307, 61064), (449, 41752), (614, 30532), (898, 20876), (1228, 15266), (1796, 10438), (2456, 7633), (3592, 5219)]