18842900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{3089}}^1$

素因数の和:3164

約数の個数: 36

約数和(自身を含む): 41572860

約数和(自身を除く): 22729960

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 3089, 6100, 6178, 12356, 15445, 30890, 61780, 77225, 154450, 188429, 308900, 376858, 753716, 942145, 1884290, 3768580, 4710725, 9421450, 18842900]

約数ペア:

[(1, 18842900), (2, 9421450), (4, 4710725), (5, 3768580), (10, 1884290), (20, 942145), (25, 753716), (50, 376858), (61, 308900), (100, 188429), (122, 154450), (244, 77225), (305, 61780), (610, 30890), (1220, 15445), (1525, 12356), (3050, 6178), (3089, 6100)]