19475225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 30759936

約数和(自身を除く): 11284711

約数列:

[1, 5, 7, 11, 25, 35, 55, 67, 77, 151, 175, 275, 335, 385, 469, 737, 755, 1057, 1661, 1675, 1925, 2345, 3685, 3775, 5159, 5285, 8305, 10117, 11627, 11725, 18425, 25795, 26425, 41525, 50585, 58135, 70819, 111287, 128975, 252925, 290675, 354095, 556435, 779009, 1770475, 2782175, 3895045, 19475225]

約数ペア:

[(1, 19475225), (5, 3895045), (7, 2782175), (11, 1770475), (25, 779009), (35, 556435), (55, 354095), (67, 290675), (77, 252925), (151, 128975), (175, 111287), (275, 70819), (335, 58135), (385, 50585), (469, 41525), (737, 26425), (755, 25795), (1057, 18425), (1661, 11725), (1675, 11627), (1925, 10117), (2345, 8305), (3685, 5285), (3775, 5159)]