18878590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1483}}^1$

素因数の和:1576

約数の個数: 32

約数和(自身を含む): 36328320

約数和(自身を除く): 17449730

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 134, 190, 335, 670, 1273, 1483, 2546, 2966, 6365, 7415, 12730, 14830, 28177, 56354, 99361, 140885, 198722, 281770, 496805, 993610, 1887859, 3775718, 9439295, 18878590]

約数ペア:

[(1, 18878590), (2, 9439295), (5, 3775718), (10, 1887859), (19, 993610), (38, 496805), (67, 281770), (95, 198722), (134, 140885), (190, 99361), (335, 56354), (670, 28177), (1273, 14830), (1483, 12730), (2546, 7415), (2966, 6365)]