1869890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 3732480

約数和(自身を除く): 1862590

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 191, 382, 445, 890, 955, 979, 1910, 1958, 2101, 4202, 4895, 9790, 10505, 16999, 21010, 33998, 84995, 169990, 186989, 373978, 934945, 1869890]

約数ペア:

[(1, 1869890), (2, 934945), (5, 373978), (10, 186989), (11, 169990), (22, 84995), (55, 33998), (89, 21010), (110, 16999), (178, 10505), (191, 9790), (382, 4895), (445, 4202), (890, 2101), (955, 1958), (979, 1910)]