18312770

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 40608000

約数和(自身を除く): 22295230

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 281, 343, 490, 562, 665, 686, 931, 1330, 1405, 1715, 1862, 1967, 2810, 3430, 3934, 4655, 5339, 6517, 9310, 9835, 10678, 13034, 13769, 19670, 26695, 27538, 32585, 37373, 53390, 65170, 68845, 74746, 96383, 137690, 186865, 192766, 261611, 373730, 481915, 523222, 963830, 1308055, 1831277, 2616110, 3662554, 9156385, 18312770]

約数ペア:

[(1, 18312770), (2, 9156385), (5, 3662554), (7, 2616110), (10, 1831277), (14, 1308055), (19, 963830), (35, 523222), (38, 481915), (49, 373730), (70, 261611), (95, 192766), (98, 186865), (133, 137690), (190, 96383), (245, 74746), (266, 68845), (281, 65170), (343, 53390), (490, 37373), (562, 32585), (665, 27538), (686, 26695), (931, 19670), (1330, 13769), (1405, 13034), (1715, 10678), (1862, 9835), (1967, 9310), (2810, 6517), (3430, 5339), (3934, 4655)]