19452125

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 64

約数和(自身を含む): 31629312

約数和(自身を除く): 12177187

約数列:

[1, 5, 7, 11, 25, 35, 43, 47, 55, 77, 125, 175, 215, 235, 275, 301, 329, 385, 473, 517, 875, 1075, 1175, 1375, 1505, 1645, 1925, 2021, 2365, 2585, 3311, 3619, 5375, 5875, 7525, 8225, 9625, 10105, 11825, 12925, 14147, 16555, 18095, 22231, 37625, 41125, 50525, 59125, 64625, 70735, 82775, 90475, 111155, 155617, 252625, 353675, 413875, 452375, 555775, 778085, 1768375, 2778875, 3890425, 19452125]

約数ペア:

[(1, 19452125), (5, 3890425), (7, 2778875), (11, 1768375), (25, 778085), (35, 555775), (43, 452375), (47, 413875), (55, 353675), (77, 252625), (125, 155617), (175, 111155), (215, 90475), (235, 82775), (275, 70735), (301, 64625), (329, 59125), (385, 50525), (473, 41125), (517, 37625), (875, 22231), (1075, 18095), (1175, 16555), (1375, 14147), (1505, 12925), (1645, 11825), (1925, 10105), (2021, 9625), (2365, 8225), (2585, 7525), (3311, 5875), (3619, 5375)]