19272505

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 8721095

約数列:

[1, 5, 7, 23, 35, 89, 115, 161, 269, 445, 623, 805, 1345, 1883, 2047, 3115, 6187, 9415, 10235, 14329, 23941, 30935, 43309, 71645, 119705, 167587, 216545, 550643, 837935, 2753215, 3854501, 19272505]

約数ペア:

[(1, 19272505), (5, 3854501), (7, 2753215), (23, 837935), (35, 550643), (89, 216545), (115, 167587), (161, 119705), (269, 71645), (445, 43309), (623, 30935), (805, 23941), (1345, 14329), (1883, 10235), (2047, 9415), (3115, 6187)]