18563090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20399}}^1$

素因数の和:20426

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 22563310

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20399, 40798, 101995, 142793, 203990, 265187, 285586, 530374, 713965, 1325935, 1427930, 1856309, 2651870, 3712618, 9281545, 18563090]

約数ペア:

[(1, 18563090), (2, 9281545), (5, 3712618), (7, 2651870), (10, 1856309), (13, 1427930), (14, 1325935), (26, 713965), (35, 530374), (65, 285586), (70, 265187), (91, 203990), (130, 142793), (182, 101995), (455, 40798), (910, 20399)]