17881690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 33572880

約数和(自身を除く): 15691190

約数列:

[1, 2, 5, 10, 29, 58, 145, 197, 290, 313, 394, 626, 985, 1565, 1970, 3130, 5713, 9077, 11426, 18154, 28565, 45385, 57130, 61661, 90770, 123322, 308305, 616610, 1788169, 3576338, 8940845, 17881690]

約数ペア:

[(1, 17881690), (2, 8940845), (5, 3576338), (10, 1788169), (29, 616610), (58, 308305), (145, 123322), (197, 90770), (290, 61661), (313, 57130), (394, 45385), (626, 28565), (985, 18154), (1565, 11426), (1970, 9077), (3130, 5713)]