17771796

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:773

約数の個数: 72

約数和(自身を含む): 51891840

約数和(自身を除く): 34120044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 109, 126, 218, 252, 327, 436, 647, 654, 763, 981, 1294, 1308, 1526, 1941, 1962, 2289, 2588, 3052, 3882, 3924, 4529, 4578, 5823, 6867, 7764, 9058, 9156, 11646, 13587, 13734, 18116, 23292, 27174, 27468, 40761, 54348, 70523, 81522, 141046, 163044, 211569, 282092, 423138, 493661, 634707, 846276, 987322, 1269414, 1480983, 1974644, 2538828, 2961966, 4442949, 5923932, 8885898, 17771796]

約数ペア:

[(1, 17771796), (2, 8885898), (3, 5923932), (4, 4442949), (6, 2961966), (7, 2538828), (9, 1974644), (12, 1480983), (14, 1269414), (18, 987322), (21, 846276), (28, 634707), (36, 493661), (42, 423138), (63, 282092), (84, 211569), (109, 163044), (126, 141046), (218, 81522), (252, 70523), (327, 54348), (436, 40761), (647, 27468), (654, 27174), (763, 23292), (981, 18116), (1294, 13734), (1308, 13587), (1526, 11646), (1941, 9156), (1962, 9058), (2289, 7764), (2588, 6867), (3052, 5823), (3882, 4578), (3924, 4529)]