18742010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1663}}^1$

素因数の和:1707

約数の個数: 48

約数和(自身を含む): 40974336

約数和(自身を除く): 22232326

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 1127, 1610, 1663, 2254, 3326, 5635, 8315, 11270, 11641, 16630, 23282, 38249, 58205, 76498, 81487, 116410, 162974, 191245, 267743, 382490, 407435, 535486, 814870, 1338715, 1874201, 2677430, 3748402, 9371005, 18742010]

約数ペア:

[(1, 18742010), (2, 9371005), (5, 3748402), (7, 2677430), (10, 1874201), (14, 1338715), (23, 814870), (35, 535486), (46, 407435), (49, 382490), (70, 267743), (98, 191245), (115, 162974), (161, 116410), (230, 81487), (245, 76498), (322, 58205), (490, 38249), (805, 23282), (1127, 16630), (1610, 11641), (1663, 11270), (2254, 8315), (3326, 5635)]