18345404

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 41674752

約数和(自身を除く): 23329348

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 67, 77, 98, 127, 134, 154, 196, 254, 268, 308, 469, 508, 539, 737, 889, 938, 1078, 1397, 1474, 1778, 1876, 2156, 2794, 2948, 3283, 3556, 5159, 5588, 6223, 6566, 8509, 9779, 10318, 12446, 13132, 17018, 19558, 20636, 24892, 34036, 36113, 39116, 59563, 68453, 72226, 93599, 119126, 136906, 144452, 187198, 238252, 273812, 374396, 416941, 655193, 833882, 1310386, 1667764, 2620772, 4586351, 9172702, 18345404]

約数ペア:

[(1, 18345404), (2, 9172702), (4, 4586351), (7, 2620772), (11, 1667764), (14, 1310386), (22, 833882), (28, 655193), (44, 416941), (49, 374396), (67, 273812), (77, 238252), (98, 187198), (127, 144452), (134, 136906), (154, 119126), (196, 93599), (254, 72226), (268, 68453), (308, 59563), (469, 39116), (508, 36113), (539, 34036), (737, 24892), (889, 20636), (938, 19558), (1078, 17018), (1397, 13132), (1474, 12446), (1778, 10318), (1876, 9779), (2156, 8509), (2794, 6566), (2948, 6223), (3283, 5588), (3556, 5159)]