19039982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{15581}}^1$

素因数の和:15643

約数の個数: 16

約数和(自身を含む): 31413312

約数和(自身を除く): 12373330

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 15581, 31162, 202553, 405106, 732307, 1464614, 9519991, 19039982]

約数ペア:

[(1, 19039982), (2, 9519991), (13, 1464614), (26, 732307), (47, 405106), (94, 202553), (611, 31162), (1222, 15581)]