18716364

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{6581}}^1$

素因数の和:6670

約数の個数: 36

約数和(自身を含む): 47916960

約数和(自身を除く): 29200596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 6581, 13162, 19743, 26324, 39486, 59229, 78972, 118458, 236916, 519899, 1039798, 1559697, 2079596, 3119394, 4679091, 6238788, 9358182, 18716364]

約数ペア:

[(1, 18716364), (2, 9358182), (3, 6238788), (4, 4679091), (6, 3119394), (9, 2079596), (12, 1559697), (18, 1039798), (36, 519899), (79, 236916), (158, 118458), (237, 78972), (316, 59229), (474, 39486), (711, 26324), (948, 19743), (1422, 13162), (2844, 6581)]