19818490

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 36806400

約数和(自身を除く): 16987910

約数列:

[1, 2, 5, 10, 47, 94, 149, 235, 283, 298, 470, 566, 745, 1415, 1490, 2830, 7003, 13301, 14006, 26602, 35015, 42167, 66505, 70030, 84334, 133010, 210835, 421670, 1981849, 3963698, 9909245, 19818490]

約数ペア:

[(1, 19818490), (2, 9909245), (5, 3963698), (10, 1981849), (47, 421670), (94, 210835), (149, 133010), (235, 84334), (283, 70030), (298, 66505), (470, 42167), (566, 35015), (745, 26602), (1415, 14006), (1490, 13301), (2830, 7003)]