16722128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{821}}^1$

素因数の和:915

約数の個数: 40

約数和(自身を含む): 34655520

約数和(自身を除く): 17933392

約数列:

[1, 2, 4, 8, 16, 19, 38, 67, 76, 134, 152, 268, 304, 536, 821, 1072, 1273, 1642, 2546, 3284, 5092, 6568, 10184, 13136, 15599, 20368, 31198, 55007, 62396, 110014, 124792, 220028, 249584, 440056, 880112, 1045133, 2090266, 4180532, 8361064, 16722128]

約数ペア:

[(1, 16722128), (2, 8361064), (4, 4180532), (8, 2090266), (16, 1045133), (19, 880112), (38, 440056), (67, 249584), (76, 220028), (134, 124792), (152, 110014), (268, 62396), (304, 55007), (536, 31198), (821, 20368), (1072, 15599), (1273, 13136), (1642, 10184), (2546, 6568), (3284, 5092)]