19813100

素因数分解:

$2^2\times 5^2\times {\mathrm{239}}^1\times {\mathrm{829}}^1$

素因数の和:1082

約数の個数: 36

約数和(自身を含む): 43226400

約数和(自身を除く): 23413300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 239, 478, 829, 956, 1195, 1658, 2390, 3316, 4145, 4780, 5975, 8290, 11950, 16580, 20725, 23900, 41450, 82900, 198131, 396262, 792524, 990655, 1981310, 3962620, 4953275, 9906550, 19813100]

約数ペア:

[(1, 19813100), (2, 9906550), (4, 4953275), (5, 3962620), (10, 1981310), (20, 990655), (25, 792524), (50, 396262), (100, 198131), (239, 82900), (478, 41450), (829, 23900), (956, 20725), (1195, 16580), (1658, 11950), (2390, 8290), (3316, 5975), (4145, 4780)]