1918888990

素因数分解:

$2^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{467}}^1\times {\mathrm{2129}}^1$

素因数の和:2796

約数の個数: 32

約数和(自身を含む): 3480965280

約数和(自身を除く): 1562076290

約数列:

[1, 2, 5, 10, 193, 386, 467, 934, 965, 1930, 2129, 2335, 4258, 4670, 10645, 21290, 90131, 180262, 410897, 450655, 821794, 901310, 994243, 1988486, 2054485, 4108970, 4971215, 9942430, 191888899, 383777798, 959444495, 1918888990]

約数ペア:

[(1, 1918888990), (2, 959444495), (5, 383777798), (10, 191888899), (193, 9942430), (386, 4971215), (467, 4108970), (934, 2054485), (965, 1988486), (1930, 994243), (2129, 901310), (2335, 821794), (4258, 450655), (4670, 410897), (10645, 180262), (21290, 90131)]