19448970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 49680000

約数和(自身を除く): 30231030

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 149, 190, 229, 285, 298, 447, 458, 570, 687, 745, 894, 1145, 1374, 1490, 2235, 2290, 2831, 3435, 4351, 4470, 5662, 6870, 8493, 8702, 13053, 14155, 16986, 21755, 26106, 28310, 34121, 42465, 43510, 65265, 68242, 84930, 102363, 130530, 170605, 204726, 341210, 511815, 648299, 1023630, 1296598, 1944897, 3241495, 3889794, 6482990, 9724485, 19448970]

約数ペア:

[(1, 19448970), (2, 9724485), (3, 6482990), (5, 3889794), (6, 3241495), (10, 1944897), (15, 1296598), (19, 1023630), (30, 648299), (38, 511815), (57, 341210), (95, 204726), (114, 170605), (149, 130530), (190, 102363), (229, 84930), (285, 68242), (298, 65265), (447, 43510), (458, 42465), (570, 34121), (687, 28310), (745, 26106), (894, 21755), (1145, 16986), (1374, 14155), (1490, 13053), (2235, 8702), (2290, 8493), (2831, 6870), (3435, 5662), (4351, 4470)]