18782766

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{71}}^2$

素因数の和:179

約数の個数: 60

約数和(自身を含む): 44544456

約数和(自身を除く): 25761690

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 71, 81, 138, 142, 162, 207, 213, 414, 426, 621, 639, 1242, 1278, 1633, 1863, 1917, 3266, 3726, 3834, 4899, 5041, 5751, 9798, 10082, 11502, 14697, 15123, 29394, 30246, 44091, 45369, 88182, 90738, 115943, 132273, 136107, 231886, 264546, 272214, 347829, 408321, 695658, 816642, 1043487, 2086974, 3130461, 6260922, 9391383, 18782766]

約数ペア:

[(1, 18782766), (2, 9391383), (3, 6260922), (6, 3130461), (9, 2086974), (18, 1043487), (23, 816642), (27, 695658), (46, 408321), (54, 347829), (69, 272214), (71, 264546), (81, 231886), (138, 136107), (142, 132273), (162, 115943), (207, 90738), (213, 88182), (414, 45369), (426, 44091), (621, 30246), (639, 29394), (1242, 15123), (1278, 14697), (1633, 11502), (1863, 10082), (1917, 9798), (3266, 5751), (3726, 5041), (3834, 4899)]