17900470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 39790080

約数和(自身を除く): 21889610

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 43, 70, 86, 95, 133, 190, 215, 266, 301, 313, 430, 602, 626, 665, 817, 1330, 1505, 1565, 1634, 2191, 3010, 3130, 4085, 4382, 5719, 5947, 8170, 10955, 11438, 11894, 13459, 21910, 26918, 28595, 29735, 41629, 57190, 59470, 67295, 83258, 94213, 134590, 188426, 208145, 255721, 416290, 471065, 511442, 942130, 1278605, 1790047, 2557210, 3580094, 8950235, 17900470]

約数ペア:

[(1, 17900470), (2, 8950235), (5, 3580094), (7, 2557210), (10, 1790047), (14, 1278605), (19, 942130), (35, 511442), (38, 471065), (43, 416290), (70, 255721), (86, 208145), (95, 188426), (133, 134590), (190, 94213), (215, 83258), (266, 67295), (301, 59470), (313, 57190), (430, 41629), (602, 29735), (626, 28595), (665, 26918), (817, 21910), (1330, 13459), (1505, 11894), (1565, 11438), (1634, 10955), (2191, 8170), (3010, 5947), (3130, 5719), (4085, 4382)]