19214420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1823}}^1$

素因数の和:1880

約数の個数: 48

約数和(自身を含む): 44126208

約数和(自身を除く): 24911788

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 1823, 2108, 2635, 3646, 5270, 7292, 9115, 10540, 18230, 30991, 36460, 56513, 61982, 113026, 123964, 154955, 226052, 282565, 309910, 565130, 619820, 960721, 1130260, 1921442, 3842884, 4803605, 9607210, 19214420]

約数ペア:

[(1, 19214420), (2, 9607210), (4, 4803605), (5, 3842884), (10, 1921442), (17, 1130260), (20, 960721), (31, 619820), (34, 565130), (62, 309910), (68, 282565), (85, 226052), (124, 154955), (155, 123964), (170, 113026), (310, 61982), (340, 56513), (527, 36460), (620, 30991), (1054, 18230), (1823, 10540), (2108, 9115), (2635, 7292), (3646, 5270)]