19689270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15263}}^1$

素因数の和:15316

約数の個数: 32

約数和(自身を含む): 48356352

約数和(自身を除く): 28667082

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15263, 30526, 45789, 76315, 91578, 152630, 228945, 457890, 656309, 1312618, 1968927, 3281545, 3937854, 6563090, 9844635, 19689270]

約数ペア:

[(1, 19689270), (2, 9844635), (3, 6563090), (5, 3937854), (6, 3281545), (10, 1968927), (15, 1312618), (30, 656309), (43, 457890), (86, 228945), (129, 152630), (215, 91578), (258, 76315), (430, 45789), (645, 30526), (1290, 15263)]