18645055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 26671680

約数和(自身を除く): 8026625

約数列:

[1, 5, 11, 13, 55, 65, 89, 143, 293, 445, 715, 979, 1157, 1465, 3223, 3809, 4895, 5785, 12727, 16115, 19045, 26077, 41899, 63635, 130385, 209495, 286847, 339001, 1434235, 1695005, 3729011, 18645055]

約数ペア:

[(1, 18645055), (5, 3729011), (11, 1695005), (13, 1434235), (55, 339001), (65, 286847), (89, 209495), (143, 130385), (293, 63635), (445, 41899), (715, 26077), (979, 19045), (1157, 16115), (1465, 12727), (3223, 5785), (3809, 4895)]