18421518

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 37884672

約数和(自身を除く): 19463154

約数列:

[1, 2, 3, 6, 71, 83, 142, 166, 213, 249, 426, 498, 521, 1042, 1563, 3126, 5893, 11786, 17679, 35358, 36991, 43243, 73982, 86486, 110973, 129729, 221946, 259458, 3070253, 6140506, 9210759, 18421518]

約数ペア:

[(1, 18421518), (2, 9210759), (3, 6140506), (6, 3070253), (71, 259458), (83, 221946), (142, 129729), (166, 110973), (213, 86486), (249, 73982), (426, 43243), (498, 36991), (521, 35358), (1042, 17679), (1563, 11786), (3126, 5893)]