18783476

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{59}}^2\times {\mathrm{71}}^1$

素因数の和:212

約数の個数: 36

約数和(自身を含む): 35693280

約数和(自身を除く): 16909804

約数列:

[1, 2, 4, 19, 38, 59, 71, 76, 118, 142, 236, 284, 1121, 1349, 2242, 2698, 3481, 4189, 4484, 5396, 6962, 8378, 13924, 16756, 66139, 79591, 132278, 159182, 247151, 264556, 318364, 494302, 988604, 4695869, 9391738, 18783476]

約数ペア:

[(1, 18783476), (2, 9391738), (4, 4695869), (19, 988604), (38, 494302), (59, 318364), (71, 264556), (76, 247151), (118, 159182), (142, 132278), (236, 79591), (284, 66139), (1121, 16756), (1349, 13924), (2242, 8378), (2698, 6962), (3481, 5396), (4189, 4484)]