20161800018

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{35911}}^1$

素因数の和:36240

約数の個数: 64

約数和(自身を含む): 46179959040

約数和(自身を除く): 26018159022

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 281, 333, 562, 666, 843, 999, 1686, 1998, 2529, 5058, 7587, 10397, 15174, 20794, 31191, 35911, 62382, 71822, 93573, 107733, 187146, 215466, 280719, 323199, 561438, 646398, 969597, 1328707, 1939194, 2657414, 3986121, 7972242, 10090991, 11958363, 20181982, 23916726, 30272973, 35875089, 60545946, 71750178, 90818919, 181637838, 272456757, 373366667, 544913514, 746733334, 1120100001, 2240200002, 3360300003, 6720600006, 10080900009, 20161800018]

約数ペア:

[(1, 20161800018), (2, 10080900009), (3, 6720600006), (6, 3360300003), (9, 2240200002), (18, 1120100001), (27, 746733334), (37, 544913514), (54, 373366667), (74, 272456757), (111, 181637838), (222, 90818919), (281, 71750178), (333, 60545946), (562, 35875089), (666, 30272973), (843, 23916726), (999, 20181982), (1686, 11958363), (1998, 10090991), (2529, 7972242), (5058, 3986121), (7587, 2657414), (10397, 1939194), (15174, 1328707), (20794, 969597), (31191, 646398), (35911, 561438), (62382, 323199), (71822, 280719), (93573, 215466), (107733, 187146)]