19145445

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 36495360

約数和(自身を除く): 17349915

約数列:

[1, 3, 5, 11, 15, 19, 31, 33, 55, 57, 93, 95, 155, 165, 197, 209, 285, 341, 465, 589, 591, 627, 985, 1023, 1045, 1705, 1767, 2167, 2945, 2955, 3135, 3743, 5115, 6107, 6479, 6501, 8835, 10835, 11229, 18321, 18715, 19437, 30535, 32395, 32505, 41173, 56145, 67177, 91605, 97185, 116033, 123519, 201531, 205865, 335885, 348099, 580165, 617595, 1007655, 1276363, 1740495, 3829089, 6381815, 19145445]

約数ペア:

[(1, 19145445), (3, 6381815), (5, 3829089), (11, 1740495), (15, 1276363), (19, 1007655), (31, 617595), (33, 580165), (55, 348099), (57, 335885), (93, 205865), (95, 201531), (155, 123519), (165, 116033), (197, 97185), (209, 91605), (285, 67177), (341, 56145), (465, 41173), (589, 32505), (591, 32395), (627, 30535), (985, 19437), (1023, 18715), (1045, 18321), (1705, 11229), (1767, 10835), (2167, 8835), (2945, 6501), (2955, 6479), (3135, 6107), (3743, 5115)]