18988648

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3169}}^1$

素因数の和:3289

約数の個数: 32

約数和(自身を含む): 41083200

約数和(自身を除く): 22094552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 214, 428, 749, 856, 1498, 2996, 3169, 5992, 6338, 12676, 22183, 25352, 44366, 88732, 177464, 339083, 678166, 1356332, 2373581, 2712664, 4747162, 9494324, 18988648]

約数ペア:

[(1, 18988648), (2, 9494324), (4, 4747162), (7, 2712664), (8, 2373581), (14, 1356332), (28, 678166), (56, 339083), (107, 177464), (214, 88732), (428, 44366), (749, 25352), (856, 22183), (1498, 12676), (2996, 6338), (3169, 5992)]