19984890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{3989}}^1$

素因数の和:4166

約数の個数: 32

約数和(自身を含む): 48263040

約数和(自身を除く): 28278150

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 167, 334, 501, 835, 1002, 1670, 2505, 3989, 5010, 7978, 11967, 19945, 23934, 39890, 59835, 119670, 666163, 1332326, 1998489, 3330815, 3996978, 6661630, 9992445, 19984890]

約数ペア:

[(1, 19984890), (2, 9992445), (3, 6661630), (5, 3996978), (6, 3330815), (10, 1998489), (15, 1332326), (30, 666163), (167, 119670), (334, 59835), (501, 39890), (835, 23934), (1002, 19945), (1670, 11967), (2505, 7978), (3989, 5010)]