19063664

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:777

約数の個数: 40

約数和(自身を含む): 39528720

約数和(自身を除く): 20465056

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 109, 136, 218, 272, 436, 643, 872, 1286, 1744, 1853, 2572, 3706, 5144, 7412, 10288, 10931, 14824, 21862, 29648, 43724, 70087, 87448, 140174, 174896, 280348, 560696, 1121392, 1191479, 2382958, 4765916, 9531832, 19063664]

約数ペア:

[(1, 19063664), (2, 9531832), (4, 4765916), (8, 2382958), (16, 1191479), (17, 1121392), (34, 560696), (68, 280348), (109, 174896), (136, 140174), (218, 87448), (272, 70087), (436, 43724), (643, 29648), (872, 21862), (1286, 14824), (1744, 10931), (1853, 10288), (2572, 7412), (3706, 5144)]