19130188

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:515

約数の個数: 72

約数和(自身を含む): 44815680

約数和(自身を除く): 25685492

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 133, 154, 196, 209, 266, 308, 418, 467, 532, 539, 836, 931, 934, 1078, 1463, 1862, 1868, 2156, 2926, 3269, 3724, 5137, 5852, 6538, 8873, 10241, 10274, 13076, 17746, 20482, 20548, 22883, 35492, 35959, 40964, 45766, 62111, 71918, 91532, 97603, 124222, 143836, 195206, 248444, 251713, 390412, 434777, 503426, 683221, 869554, 1006852, 1366442, 1739108, 2732884, 4782547, 9565094, 19130188]

約数ペア:

[(1, 19130188), (2, 9565094), (4, 4782547), (7, 2732884), (11, 1739108), (14, 1366442), (19, 1006852), (22, 869554), (28, 683221), (38, 503426), (44, 434777), (49, 390412), (76, 251713), (77, 248444), (98, 195206), (133, 143836), (154, 124222), (196, 97603), (209, 91532), (266, 71918), (308, 62111), (418, 45766), (467, 40964), (532, 35959), (539, 35492), (836, 22883), (931, 20548), (934, 20482), (1078, 17746), (1463, 13076), (1862, 10274), (1868, 10241), (2156, 8873), (2926, 6538), (3269, 5852), (3724, 5137)]