18330470

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:1004

約数の個数: 32

約数和(自身を含む): 34518528

約数和(自身を除く): 16188058

約数列:

[1, 2, 5, 10, 43, 47, 86, 94, 215, 235, 430, 470, 907, 1814, 2021, 4042, 4535, 9070, 10105, 20210, 39001, 42629, 78002, 85258, 195005, 213145, 390010, 426290, 1833047, 3666094, 9165235, 18330470]

約数ペア:

[(1, 18330470), (2, 9165235), (5, 3666094), (10, 1833047), (43, 426290), (47, 390010), (86, 213145), (94, 195005), (215, 85258), (235, 78002), (430, 42629), (470, 39001), (907, 20210), (1814, 10105), (2021, 9070), (4042, 4535)]