18927288

素因数分解:

$2^3\times 3^2\times {\mathrm{199}}^1\times {\mathrm{1321}}^1$

素因数の和:1532

約数の個数: 48

約数和(自身を含む): 51558000

約数和(自身を除く): 32630712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 199, 398, 597, 796, 1194, 1321, 1592, 1791, 2388, 2642, 3582, 3963, 4776, 5284, 7164, 7926, 10568, 11889, 14328, 15852, 23778, 31704, 47556, 95112, 262879, 525758, 788637, 1051516, 1577274, 2103032, 2365911, 3154548, 4731822, 6309096, 9463644, 18927288]

約数ペア:

[(1, 18927288), (2, 9463644), (3, 6309096), (4, 4731822), (6, 3154548), (8, 2365911), (9, 2103032), (12, 1577274), (18, 1051516), (24, 788637), (36, 525758), (72, 262879), (199, 95112), (398, 47556), (597, 31704), (796, 23778), (1194, 15852), (1321, 14328), (1592, 11889), (1791, 10568), (2388, 7926), (2642, 7164), (3582, 5284), (3963, 4776)]