19385440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7127}}^1$

素因数の和:7159

約数の個数: 48

約数和(自身を含む): 48498912

約数和(自身を除く): 29113472

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 7127, 14254, 28508, 35635, 57016, 71270, 114032, 121159, 142540, 228064, 242318, 285080, 484636, 570160, 605795, 969272, 1140320, 1211590, 1938544, 2423180, 3877088, 4846360, 9692720, 19385440]

約数ペア:

[(1, 19385440), (2, 9692720), (4, 4846360), (5, 3877088), (8, 2423180), (10, 1938544), (16, 1211590), (17, 1140320), (20, 969272), (32, 605795), (34, 570160), (40, 484636), (68, 285080), (80, 242318), (85, 228064), (136, 142540), (160, 121159), (170, 114032), (272, 71270), (340, 57016), (544, 35635), (680, 28508), (1360, 14254), (2720, 7127)]