18514816

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 40636800

約数和(自身を除く): 22121984

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 128, 152, 184, 304, 331, 368, 437, 608, 662, 736, 874, 1216, 1324, 1472, 1748, 2432, 2648, 2944, 3496, 5296, 6289, 6992, 7613, 10592, 12578, 13984, 15226, 21184, 25156, 27968, 30452, 42368, 50312, 55936, 60904, 100624, 121808, 144647, 201248, 243616, 289294, 402496, 487232, 578588, 804992, 974464, 1157176, 2314352, 4628704, 9257408, 18514816]

約数ペア:

[(1, 18514816), (2, 9257408), (4, 4628704), (8, 2314352), (16, 1157176), (19, 974464), (23, 804992), (32, 578588), (38, 487232), (46, 402496), (64, 289294), (76, 243616), (92, 201248), (128, 144647), (152, 121808), (184, 100624), (304, 60904), (331, 55936), (368, 50312), (437, 42368), (608, 30452), (662, 27968), (736, 25156), (874, 21184), (1216, 15226), (1324, 13984), (1472, 12578), (1748, 10592), (2432, 7613), (2648, 6992), (2944, 6289), (3496, 5296)]