18647856

素因数分解:

$2^4\times 3^2\times {\mathrm{129499}}^1$

素因数の和:129513

約数の個数: 30

約数和(自身を含む): 52188500

約数和(自身を除く): 33540644

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 129499, 258998, 388497, 517996, 776994, 1035992, 1165491, 1553988, 2071984, 2330982, 3107976, 4661964, 6215952, 9323928, 18647856]

約数ペア:

[(1, 18647856), (2, 9323928), (3, 6215952), (4, 4661964), (6, 3107976), (8, 2330982), (9, 2071984), (12, 1553988), (16, 1165491), (18, 1035992), (24, 776994), (36, 517996), (48, 388497), (72, 258998), (144, 129499)]