19289325

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 35283456

約数和(自身を除く): 15994131

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 103, 165, 227, 275, 309, 515, 681, 825, 1133, 1135, 1545, 2497, 2575, 3399, 3405, 5665, 5675, 7491, 7725, 12485, 16995, 17025, 23381, 28325, 37455, 62425, 70143, 84975, 116905, 187275, 257191, 350715, 584525, 771573, 1285955, 1753575, 3857865, 6429775, 19289325]

約数ペア:

[(1, 19289325), (3, 6429775), (5, 3857865), (11, 1753575), (15, 1285955), (25, 771573), (33, 584525), (55, 350715), (75, 257191), (103, 187275), (165, 116905), (227, 84975), (275, 70143), (309, 62425), (515, 37455), (681, 28325), (825, 23381), (1133, 17025), (1135, 16995), (1545, 12485), (2497, 7725), (2575, 7491), (3399, 5675), (3405, 5665)]