18984964

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{823}}^1$

素因数の和:979

約数の個数: 24

約数和(自身を含む): 34146560

約数和(自身を除く): 15161596

約数列:

[1, 2, 4, 73, 79, 146, 158, 292, 316, 823, 1646, 3292, 5767, 11534, 23068, 60079, 65017, 120158, 130034, 240316, 260068, 4746241, 9492482, 18984964]

約数ペア:

[(1, 18984964), (2, 9492482), (4, 4746241), (73, 260068), (79, 240316), (146, 130034), (158, 120158), (292, 65017), (316, 60079), (823, 23068), (1646, 11534), (3292, 5767)]