18647292

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 45045504

約数和(自身を除く): 26398212

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 151, 164, 246, 251, 302, 453, 492, 502, 604, 753, 906, 1004, 1506, 1812, 3012, 6191, 10291, 12382, 18573, 20582, 24764, 30873, 37146, 37901, 41164, 61746, 74292, 75802, 113703, 123492, 151604, 227406, 454812, 1553941, 3107882, 4661823, 6215764, 9323646, 18647292]

約数ペア:

[(1, 18647292), (2, 9323646), (3, 6215764), (4, 4661823), (6, 3107882), (12, 1553941), (41, 454812), (82, 227406), (123, 151604), (151, 123492), (164, 113703), (246, 75802), (251, 74292), (302, 61746), (453, 41164), (492, 37901), (502, 37146), (604, 30873), (753, 24764), (906, 20582), (1004, 18573), (1506, 12382), (1812, 10291), (3012, 6191)]