18777778726

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{28433}}^1$

素因数の和:28765

約数の個数: 48

約数和(自身を含む): 34307781984

約数和(自身を除く): 15530003258

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 293, 322, 586, 1127, 2051, 2254, 4102, 6739, 13478, 14357, 28433, 28714, 47173, 56866, 94346, 199031, 330211, 398062, 653959, 660422, 1307918, 1393217, 2786434, 4577713, 8330869, 9155426, 16661738, 32043991, 58316083, 64087982, 116632166, 191609987, 383219974, 408212581, 816425162, 1341269909, 2682539818, 9388889363, 18777778726]

約数ペア:

[(1, 18777778726), (2, 9388889363), (7, 2682539818), (14, 1341269909), (23, 816425162), (46, 408212581), (49, 383219974), (98, 191609987), (161, 116632166), (293, 64087982), (322, 58316083), (586, 32043991), (1127, 16661738), (2051, 9155426), (2254, 8330869), (4102, 4577713), (6739, 2786434), (13478, 1393217), (14357, 1307918), (28433, 660422), (28714, 653959), (47173, 398062), (56866, 330211), (94346, 199031)]