18942490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{587}}^1$

素因数の和:1062

約数の個数: 32

約数和(自身を含む): 39118464

約数和(自身を除く): 20175974

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 461, 587, 922, 1174, 2305, 2935, 3227, 4109, 4610, 5870, 6454, 8218, 16135, 20545, 32270, 41090, 270607, 541214, 1353035, 1894249, 2706070, 3788498, 9471245, 18942490]

約数ペア:

[(1, 18942490), (2, 9471245), (5, 3788498), (7, 2706070), (10, 1894249), (14, 1353035), (35, 541214), (70, 270607), (461, 41090), (587, 32270), (922, 20545), (1174, 16135), (2305, 8218), (2935, 6454), (3227, 5870), (4109, 4610)]