19151325

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{1811}}^1$

素因数の和:1874

約数の個数: 36

約数和(自身を含む): 35051328

約数和(自身を除く): 15900003

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 141, 225, 235, 423, 705, 1175, 1811, 2115, 3525, 5433, 9055, 10575, 16299, 27165, 45275, 81495, 85117, 135825, 255351, 407475, 425585, 766053, 1276755, 2127925, 3830265, 6383775, 19151325]

約数ペア:

[(1, 19151325), (3, 6383775), (5, 3830265), (9, 2127925), (15, 1276755), (25, 766053), (45, 425585), (47, 407475), (75, 255351), (141, 135825), (225, 85117), (235, 81495), (423, 45275), (705, 27165), (1175, 16299), (1811, 10575), (2115, 9055), (3525, 5433)]