19983554

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 12917566

約数列:

[1, 2, 19, 38, 47, 67, 94, 134, 167, 334, 893, 1273, 1786, 2546, 3149, 3173, 6298, 6346, 7849, 11189, 15698, 22378, 59831, 119662, 149131, 212591, 298262, 425182, 525883, 1051766, 9991777, 19983554]

約数ペア:

[(1, 19983554), (2, 9991777), (19, 1051766), (38, 525883), (47, 425182), (67, 298262), (94, 212591), (134, 149131), (167, 119662), (334, 59831), (893, 22378), (1273, 15698), (1786, 11189), (2546, 7849), (3149, 6346), (3173, 6298)]