19939275

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{3853}}^1$

素因数の和:3892

約数の個数: 36

約数和(自身を含む): 37275888

約数和(自身を除く): 17336613

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 3853, 5175, 11559, 19265, 34677, 57795, 88619, 96325, 173385, 265857, 288975, 443095, 797571, 866925, 1329285, 2215475, 3987855, 6646425, 19939275]

約数ペア:

[(1, 19939275), (3, 6646425), (5, 3987855), (9, 2215475), (15, 1329285), (23, 866925), (25, 797571), (45, 443095), (69, 288975), (75, 265857), (115, 173385), (207, 96325), (225, 88619), (345, 57795), (575, 34677), (1035, 19265), (1725, 11559), (3853, 5175)]