19421340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 56899584

約数和(自身を除く): 37478244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 71, 94, 97, 141, 142, 188, 194, 213, 235, 282, 284, 291, 355, 388, 426, 470, 485, 564, 582, 705, 710, 852, 940, 970, 1065, 1164, 1410, 1420, 1455, 1940, 2130, 2820, 2910, 3337, 4260, 4559, 5820, 6674, 6887, 9118, 10011, 13348, 13677, 13774, 16685, 18236, 20022, 20661, 22795, 27354, 27548, 33370, 34435, 40044, 41322, 45590, 50055, 54708, 66740, 68385, 68870, 82644, 91180, 100110, 103305, 136770, 137740, 200220, 206610, 273540, 323689, 413220, 647378, 971067, 1294756, 1618445, 1942134, 3236890, 3884268, 4855335, 6473780, 9710670, 19421340]

約数ペア:

[(1, 19421340), (2, 9710670), (3, 6473780), (4, 4855335), (5, 3884268), (6, 3236890), (10, 1942134), (12, 1618445), (15, 1294756), (20, 971067), (30, 647378), (47, 413220), (60, 323689), (71, 273540), (94, 206610), (97, 200220), (141, 137740), (142, 136770), (188, 103305), (194, 100110), (213, 91180), (235, 82644), (282, 68870), (284, 68385), (291, 66740), (355, 54708), (388, 50055), (426, 45590), (470, 41322), (485, 40044), (564, 34435), (582, 33370), (705, 27548), (710, 27354), (852, 22795), (940, 20661), (970, 20022), (1065, 18236), (1164, 16685), (1410, 13774), (1420, 13677), (1455, 13348), (1940, 10011), (2130, 9118), (2820, 6887), (2910, 6674), (3337, 5820), (4260, 4559)]