18248615

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 28600320

約数和(自身を除く): 10351705

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 121, 139, 155, 217, 341, 385, 605, 695, 847, 973, 1085, 1529, 1705, 2387, 3751, 4235, 4309, 4865, 7645, 10703, 11935, 16819, 18755, 21545, 26257, 30163, 47399, 53515, 84095, 117733, 131285, 150815, 236995, 331793, 521389, 588665, 1658965, 2606945, 3649723, 18248615]

約数ペア:

[(1, 18248615), (5, 3649723), (7, 2606945), (11, 1658965), (31, 588665), (35, 521389), (55, 331793), (77, 236995), (121, 150815), (139, 131285), (155, 117733), (217, 84095), (341, 53515), (385, 47399), (605, 30163), (695, 26257), (847, 21545), (973, 18755), (1085, 16819), (1529, 11935), (1705, 10703), (2387, 7645), (3751, 4865), (4235, 4309)]