19946256

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1021}}^1$

素因数の和:1080

約数の個数: 80

約数和(自身を含む): 57787968

約数和(自身を除く): 37841712

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 37, 44, 48, 66, 74, 88, 111, 132, 148, 176, 222, 264, 296, 407, 444, 528, 592, 814, 888, 1021, 1221, 1628, 1776, 2042, 2442, 3063, 3256, 4084, 4884, 6126, 6512, 8168, 9768, 11231, 12252, 16336, 19536, 22462, 24504, 33693, 37777, 44924, 49008, 67386, 75554, 89848, 113331, 134772, 151108, 179696, 226662, 269544, 302216, 415547, 453324, 539088, 604432, 831094, 906648, 1246641, 1662188, 1813296, 2493282, 3324376, 4986564, 6648752, 9973128, 19946256]

約数ペア:

[(1, 19946256), (2, 9973128), (3, 6648752), (4, 4986564), (6, 3324376), (8, 2493282), (11, 1813296), (12, 1662188), (16, 1246641), (22, 906648), (24, 831094), (33, 604432), (37, 539088), (44, 453324), (48, 415547), (66, 302216), (74, 269544), (88, 226662), (111, 179696), (132, 151108), (148, 134772), (176, 113331), (222, 89848), (264, 75554), (296, 67386), (407, 49008), (444, 44924), (528, 37777), (592, 33693), (814, 24504), (888, 22462), (1021, 19536), (1221, 16336), (1628, 12252), (1776, 11231), (2042, 9768), (2442, 8168), (3063, 6512), (3256, 6126), (4084, 4884)]