18894546

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:509

約数の個数: 80

約数和(自身を含む): 48299328

約数和(自身を除く): 29404782

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 27, 33, 46, 54, 66, 69, 81, 99, 138, 162, 198, 207, 253, 297, 414, 461, 506, 594, 621, 759, 891, 922, 1242, 1383, 1518, 1782, 1863, 2277, 2766, 3726, 4149, 4554, 5071, 6831, 8298, 10142, 10603, 12447, 13662, 15213, 20493, 21206, 24894, 30426, 31809, 37341, 40986, 45639, 63618, 74682, 91278, 95427, 116633, 136917, 190854, 233266, 273834, 286281, 349899, 410751, 572562, 699798, 821502, 858843, 1049697, 1717686, 2099394, 3149091, 6298182, 9447273, 18894546]

約数ペア:

[(1, 18894546), (2, 9447273), (3, 6298182), (6, 3149091), (9, 2099394), (11, 1717686), (18, 1049697), (22, 858843), (23, 821502), (27, 699798), (33, 572562), (46, 410751), (54, 349899), (66, 286281), (69, 273834), (81, 233266), (99, 190854), (138, 136917), (162, 116633), (198, 95427), (207, 91278), (253, 74682), (297, 63618), (414, 45639), (461, 40986), (506, 37341), (594, 31809), (621, 30426), (759, 24894), (891, 21206), (922, 20493), (1242, 15213), (1383, 13662), (1518, 12447), (1782, 10603), (1863, 10142), (2277, 8298), (2766, 6831), (3726, 5071), (4149, 4554)]