19170305

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 31726080

約数和(自身を除く): 12555775

約数列:

[1, 5, 7, 11, 17, 29, 35, 55, 77, 85, 101, 119, 145, 187, 203, 319, 385, 493, 505, 595, 707, 935, 1015, 1111, 1309, 1595, 1717, 2233, 2465, 2929, 3451, 3535, 5423, 5555, 6545, 7777, 8585, 11165, 12019, 14645, 17255, 18887, 20503, 27115, 32219, 37961, 38885, 49793, 60095, 94435, 102515, 132209, 161095, 189805, 225533, 248965, 348551, 547723, 661045, 1127665, 1742755, 2738615, 3834061, 19170305]

約数ペア:

[(1, 19170305), (5, 3834061), (7, 2738615), (11, 1742755), (17, 1127665), (29, 661045), (35, 547723), (55, 348551), (77, 248965), (85, 225533), (101, 189805), (119, 161095), (145, 132209), (187, 102515), (203, 94435), (319, 60095), (385, 49793), (493, 38885), (505, 37961), (595, 32219), (707, 27115), (935, 20503), (1015, 18887), (1111, 17255), (1309, 14645), (1595, 12019), (1717, 11165), (2233, 8585), (2465, 7777), (2929, 6545), (3451, 5555), (3535, 5423)]