18906596

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 36556800

約数和(自身を除く): 17650204

約数列:

[1, 2, 4, 19, 38, 47, 67, 76, 79, 94, 134, 158, 188, 268, 316, 893, 1273, 1501, 1786, 2546, 3002, 3149, 3572, 3713, 5092, 5293, 6004, 6298, 7426, 10586, 12596, 14852, 21172, 59831, 70547, 100567, 119662, 141094, 201134, 239324, 248771, 282188, 402268, 497542, 995084, 4726649, 9453298, 18906596]

約数ペア:

[(1, 18906596), (2, 9453298), (4, 4726649), (19, 995084), (38, 497542), (47, 402268), (67, 282188), (76, 248771), (79, 239324), (94, 201134), (134, 141094), (158, 119662), (188, 100567), (268, 70547), (316, 59831), (893, 21172), (1273, 14852), (1501, 12596), (1786, 10586), (2546, 7426), (3002, 6298), (3149, 6004), (3572, 5293), (3713, 5092)]