19418476

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{941}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 43045632

約数和(自身を除く): 23627156

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 67, 77, 134, 154, 268, 308, 469, 737, 938, 941, 1474, 1876, 1882, 2948, 3764, 5159, 6587, 10318, 10351, 13174, 20636, 20702, 26348, 41404, 63047, 72457, 126094, 144914, 252188, 289828, 441329, 693517, 882658, 1387034, 1765316, 2774068, 4854619, 9709238, 19418476]

約数ペア:

[(1, 19418476), (2, 9709238), (4, 4854619), (7, 2774068), (11, 1765316), (14, 1387034), (22, 882658), (28, 693517), (44, 441329), (67, 289828), (77, 252188), (134, 144914), (154, 126094), (268, 72457), (308, 63047), (469, 41404), (737, 26348), (938, 20702), (941, 20636), (1474, 13174), (1876, 10351), (1882, 10318), (2948, 6587), (3764, 5159)]