19699352

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 41580000

約数和(自身を除く): 21880648

約数列:

[1, 2, 4, 8, 19, 29, 38, 41, 58, 76, 82, 109, 116, 152, 164, 218, 232, 328, 436, 551, 779, 872, 1102, 1189, 1558, 2071, 2204, 2378, 3116, 3161, 4142, 4408, 4469, 4756, 6232, 6322, 8284, 8938, 9512, 12644, 16568, 17876, 22591, 25288, 35752, 45182, 60059, 84911, 90364, 120118, 129601, 169822, 180728, 240236, 259202, 339644, 480472, 518404, 679288, 1036808, 2462419, 4924838, 9849676, 19699352]

約数ペア:

[(1, 19699352), (2, 9849676), (4, 4924838), (8, 2462419), (19, 1036808), (29, 679288), (38, 518404), (41, 480472), (58, 339644), (76, 259202), (82, 240236), (109, 180728), (116, 169822), (152, 129601), (164, 120118), (218, 90364), (232, 84911), (328, 60059), (436, 45182), (551, 35752), (779, 25288), (872, 22591), (1102, 17876), (1189, 16568), (1558, 12644), (2071, 9512), (2204, 8938), (2378, 8284), (3116, 6322), (3161, 6232), (4142, 4756), (4408, 4469)]