19065508

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 43666560

約数和(自身を除く): 24601052

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 49, 74, 77, 98, 148, 154, 196, 239, 259, 308, 407, 478, 518, 539, 814, 956, 1036, 1078, 1628, 1673, 1813, 2156, 2629, 2849, 3346, 3626, 5258, 5698, 6692, 7252, 8843, 10516, 11396, 11711, 17686, 18403, 19943, 23422, 35372, 36806, 39886, 46844, 61901, 73612, 79772, 97273, 123802, 128821, 194546, 247604, 257642, 389092, 433307, 515284, 680911, 866614, 1361822, 1733228, 2723644, 4766377, 9532754, 19065508]

約数ペア:

[(1, 19065508), (2, 9532754), (4, 4766377), (7, 2723644), (11, 1733228), (14, 1361822), (22, 866614), (28, 680911), (37, 515284), (44, 433307), (49, 389092), (74, 257642), (77, 247604), (98, 194546), (148, 128821), (154, 123802), (196, 97273), (239, 79772), (259, 73612), (308, 61901), (407, 46844), (478, 39886), (518, 36806), (539, 35372), (814, 23422), (956, 19943), (1036, 18403), (1078, 17686), (1628, 11711), (1673, 11396), (1813, 10516), (2156, 8843), (2629, 7252), (2849, 6692), (3346, 5698), (3626, 5258)]