18884404

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 44241120

約数和(自身を除く): 25356716

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, 461, 532, 539, 836, 922, 931, 1078, 1463, 1844, 1862, 2156, 2926, 3227, 3724, 5071, 5852, 6454, 8759, 10142, 10241, 12908, 17518, 20284, 20482, 22589, 35036, 35497, 40964, 45178, 61313, 70994, 90356, 96349, 122626, 141988, 192698, 245252, 248479, 385396, 429191, 496958, 674443, 858382, 993916, 1348886, 1716764, 2697772, 4721101, 9442202, 18884404]

約数ペア:

[(1, 18884404), (2, 9442202), (4, 4721101), (7, 2697772), (11, 1716764), (14, 1348886), (19, 993916), (22, 858382), (28, 674443), (38, 496958), (44, 429191), (49, 385396), (76, 248479), (77, 245252), (98, 192698), (133, 141988), (154, 122626), (196, 96349), (209, 90356), (266, 70994), (308, 61313), (418, 45178), (461, 40964), (532, 35497), (539, 35036), (836, 22589), (922, 20482), (931, 20284), (1078, 17518), (1463, 12908), (1844, 10241), (1862, 10142), (2156, 8759), (2926, 6454), (3227, 5852), (3724, 5071)]