19163150

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^2\times {\mathrm{103}}^1$

素因数の和:237

約数の個数: 36

約数和(自身を含む): 36589176

約数和(自身を除く): 17426026

約数列:

[1, 2, 5, 10, 25, 50, 61, 103, 122, 206, 305, 515, 610, 1030, 1525, 2575, 3050, 3721, 5150, 6283, 7442, 12566, 18605, 31415, 37210, 62830, 93025, 157075, 186050, 314150, 383263, 766526, 1916315, 3832630, 9581575, 19163150]

約数ペア:

[(1, 19163150), (2, 9581575), (5, 3832630), (10, 1916315), (25, 766526), (50, 383263), (61, 314150), (103, 186050), (122, 157075), (206, 93025), (305, 62830), (515, 37210), (610, 31415), (1030, 18605), (1525, 12566), (2575, 7442), (3050, 6283), (3721, 5150)]