18693690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21487}}^1$

素因数の和:21526

約数の個数: 32

約数和(自身を含む): 46414080

約数和(自身を除く): 27720390

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 21487, 42974, 64461, 107435, 128922, 214870, 322305, 623123, 644610, 1246246, 1869369, 3115615, 3738738, 6231230, 9346845, 18693690]

約数ペア:

[(1, 18693690), (2, 9346845), (3, 6231230), (5, 3738738), (6, 3115615), (10, 1869369), (15, 1246246), (29, 644610), (30, 623123), (58, 322305), (87, 214870), (145, 128922), (174, 107435), (290, 64461), (435, 42974), (870, 21487)]