18372081

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 30401280

約数和(自身を除く): 12029199

約数列:

[1, 3, 7, 13, 21, 39, 91, 173, 273, 389, 519, 1167, 1211, 2249, 2723, 3633, 5057, 6747, 8169, 15171, 15743, 35399, 47229, 67297, 106197, 201891, 471079, 874861, 1413237, 2624583, 6124027, 18372081]

約数ペア:

[(1, 18372081), (3, 6124027), (7, 2624583), (13, 1413237), (21, 874861), (39, 471079), (91, 201891), (173, 106197), (273, 67297), (389, 47229), (519, 35399), (1167, 15743), (1211, 15171), (2249, 8169), (2723, 6747), (3633, 5057)]