19984530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4243}}^1$

素因数の和:4410

約数の個数: 32

約数和(自身を含む): 48279744

約数和(自身を除く): 28295214

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 157, 314, 471, 785, 942, 1570, 2355, 4243, 4710, 8486, 12729, 21215, 25458, 42430, 63645, 127290, 666151, 1332302, 1998453, 3330755, 3996906, 6661510, 9992265, 19984530]

約数ペア:

[(1, 19984530), (2, 9992265), (3, 6661510), (5, 3996906), (6, 3330755), (10, 1998453), (15, 1332302), (30, 666151), (157, 127290), (314, 63645), (471, 42430), (785, 25458), (942, 21215), (1570, 12729), (2355, 8486), (4243, 4710)]