15119980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18439}}^1$

素因数の和:18489

約数の個数: 24

約数和(自身を含む): 32528160

約数和(自身を除く): 17408180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 18439, 36878, 73756, 92195, 184390, 368780, 755999, 1511998, 3023996, 3779995, 7559990, 15119980]

約数ペア:

[(1, 15119980), (2, 7559990), (4, 3779995), (5, 3023996), (10, 1511998), (20, 755999), (41, 368780), (82, 184390), (164, 92195), (205, 73756), (410, 36878), (820, 18439)]