19290975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 35414400

約数和(自身を除く): 16123425

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 67, 75, 165, 201, 275, 335, 349, 737, 825, 1005, 1047, 1675, 1745, 2211, 3685, 3839, 5025, 5235, 8725, 11055, 11517, 18425, 19195, 23383, 26175, 55275, 57585, 70149, 95975, 116915, 257213, 287925, 350745, 584575, 771639, 1286065, 1753725, 3858195, 6430325, 19290975]

約数ペア:

[(1, 19290975), (3, 6430325), (5, 3858195), (11, 1753725), (15, 1286065), (25, 771639), (33, 584575), (55, 350745), (67, 287925), (75, 257213), (165, 116915), (201, 95975), (275, 70149), (335, 57585), (349, 55275), (737, 26175), (825, 23383), (1005, 19195), (1047, 18425), (1675, 11517), (1745, 11055), (2211, 8725), (3685, 5235), (3839, 5025)]