19620018

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{503}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 46702656

約数和(自身を除く): 27082638

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 197, 198, 394, 503, 591, 1006, 1182, 1509, 1773, 2167, 3018, 3546, 4334, 4527, 5533, 6501, 9054, 11066, 13002, 16599, 19503, 33198, 39006, 49797, 99091, 99594, 198182, 297273, 594546, 891819, 1090001, 1783638, 2180002, 3270003, 6540006, 9810009, 19620018]

約数ペア:

[(1, 19620018), (2, 9810009), (3, 6540006), (6, 3270003), (9, 2180002), (11, 1783638), (18, 1090001), (22, 891819), (33, 594546), (66, 297273), (99, 198182), (197, 99594), (198, 99091), (394, 49797), (503, 39006), (591, 33198), (1006, 19503), (1182, 16599), (1509, 13002), (1773, 11066), (2167, 9054), (3018, 6501), (3546, 5533), (4334, 4527)]