19097375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 64

約数和(自身を含む): 29652480

約数和(自身を除く): 10555105

約数列:

[1, 5, 11, 17, 19, 25, 43, 55, 85, 95, 125, 187, 209, 215, 275, 323, 425, 473, 475, 731, 817, 935, 1045, 1075, 1375, 1615, 2125, 2365, 2375, 3553, 3655, 4085, 4675, 5225, 5375, 8041, 8075, 8987, 11825, 13889, 17765, 18275, 20425, 23375, 26125, 40205, 40375, 44935, 59125, 69445, 88825, 91375, 102125, 152779, 201025, 224675, 347225, 444125, 763895, 1005125, 1123375, 1736125, 3819475, 19097375]

約数ペア:

[(1, 19097375), (5, 3819475), (11, 1736125), (17, 1123375), (19, 1005125), (25, 763895), (43, 444125), (55, 347225), (85, 224675), (95, 201025), (125, 152779), (187, 102125), (209, 91375), (215, 88825), (275, 69445), (323, 59125), (425, 44935), (473, 40375), (475, 40205), (731, 26125), (817, 23375), (935, 20425), (1045, 18275), (1075, 17765), (1375, 13889), (1615, 11825), (2125, 8987), (2365, 8075), (2375, 8041), (3553, 5375), (3655, 5225), (4085, 4675)]