19378120

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2027}}^1$

素因数の和:2277

約数の個数: 32

約数和(自身を含む): 43804800

約数和(自身を除く): 24426680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2027, 2390, 4054, 4780, 8108, 9560, 10135, 16216, 20270, 40540, 81080, 484453, 968906, 1937812, 2422265, 3875624, 4844530, 9689060, 19378120]

約数ペア:

[(1, 19378120), (2, 9689060), (4, 4844530), (5, 3875624), (8, 2422265), (10, 1937812), (20, 968906), (40, 484453), (239, 81080), (478, 40540), (956, 20270), (1195, 16216), (1912, 10135), (2027, 9560), (2390, 8108), (4054, 4780)]