12881810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{449}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 24624000

約数和(自身を除く): 11742190

約数列:

[1, 2, 5, 10, 19, 38, 95, 151, 190, 302, 449, 755, 898, 1510, 2245, 2869, 4490, 5738, 8531, 14345, 17062, 28690, 42655, 67799, 85310, 135598, 338995, 677990, 1288181, 2576362, 6440905, 12881810]

約数ペア:

[(1, 12881810), (2, 6440905), (5, 2576362), (10, 1288181), (19, 677990), (38, 338995), (95, 135598), (151, 85310), (190, 67799), (302, 42655), (449, 28690), (755, 17062), (898, 14345), (1510, 8531), (2245, 5738), (2869, 4490)]