19872780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331213}}^1$

素因数の和:331225

約数の個数: 24

約数和(自身を含む): 55643952

約数和(自身を除く): 35771172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331213, 662426, 993639, 1324852, 1656065, 1987278, 3312130, 3974556, 4968195, 6624260, 9936390, 19872780]

約数ペア:

[(1, 19872780), (2, 9936390), (3, 6624260), (4, 4968195), (5, 3974556), (6, 3312130), (10, 1987278), (12, 1656065), (15, 1324852), (20, 993639), (30, 662426), (60, 331213)]