18374330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 38586240

約数和(自身を除く): 20211910

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 43, 65, 86, 95, 130, 173, 190, 215, 247, 346, 430, 494, 559, 817, 865, 1118, 1235, 1634, 1730, 2249, 2470, 2795, 3287, 4085, 4498, 5590, 6574, 7439, 8170, 10621, 11245, 14878, 16435, 21242, 22490, 32870, 37195, 42731, 53105, 74390, 85462, 96707, 106210, 141341, 193414, 213655, 282682, 427310, 483535, 706705, 967070, 1413410, 1837433, 3674866, 9187165, 18374330]

約数ペア:

[(1, 18374330), (2, 9187165), (5, 3674866), (10, 1837433), (13, 1413410), (19, 967070), (26, 706705), (38, 483535), (43, 427310), (65, 282682), (86, 213655), (95, 193414), (130, 141341), (173, 106210), (190, 96707), (215, 85462), (247, 74390), (346, 53105), (430, 42731), (494, 37195), (559, 32870), (817, 22490), (865, 21242), (1118, 16435), (1235, 14878), (1634, 11245), (1730, 10621), (2249, 8170), (2470, 7439), (2795, 6574), (3287, 5590), (4085, 4498)]