18257218566

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{419}}^1\times {\mathrm{521}}^1$

素因数の和:1261

約数の個数: 64

約数和(自身を含む): 37505825280

約数和(自身を除く): 19248606714

約数列:

[1, 2, 3, 6, 53, 106, 159, 263, 318, 419, 521, 526, 789, 838, 1042, 1257, 1563, 1578, 2514, 3126, 13939, 22207, 27613, 27878, 41817, 44414, 55226, 66621, 82839, 83634, 110197, 133242, 137023, 165678, 218299, 220394, 274046, 330591, 411069, 436598, 654897, 661182, 822138, 1309794, 5840441, 7262219, 11569847, 11680882, 14524438, 17521323, 21786657, 23139694, 34709541, 35042646, 43573314, 57412637, 69419082, 114825274, 172237911, 344475822, 3042869761, 6085739522, 9128609283, 18257218566]

約数ペア:

[(1, 18257218566), (2, 9128609283), (3, 6085739522), (6, 3042869761), (53, 344475822), (106, 172237911), (159, 114825274), (263, 69419082), (318, 57412637), (419, 43573314), (521, 35042646), (526, 34709541), (789, 23139694), (838, 21786657), (1042, 17521323), (1257, 14524438), (1563, 11680882), (1578, 11569847), (2514, 7262219), (3126, 5840441), (13939, 1309794), (22207, 822138), (27613, 661182), (27878, 654897), (41817, 436598), (44414, 411069), (55226, 330591), (66621, 274046), (82839, 220394), (83634, 218299), (110197, 165678), (133242, 137023)]