19023928

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 45100800

約数和(自身を除く): 26076872

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 89, 154, 178, 308, 347, 356, 616, 623, 694, 712, 979, 1246, 1388, 1958, 2429, 2492, 2776, 3817, 3916, 4858, 4984, 6853, 7634, 7832, 9716, 13706, 15268, 19432, 26719, 27412, 30536, 30883, 53438, 54824, 61766, 106876, 123532, 213752, 216181, 247064, 339713, 432362, 679426, 864724, 1358852, 1729448, 2377991, 2717704, 4755982, 9511964, 19023928]

約数ペア:

[(1, 19023928), (2, 9511964), (4, 4755982), (7, 2717704), (8, 2377991), (11, 1729448), (14, 1358852), (22, 864724), (28, 679426), (44, 432362), (56, 339713), (77, 247064), (88, 216181), (89, 213752), (154, 123532), (178, 106876), (308, 61766), (347, 54824), (356, 53438), (616, 30883), (623, 30536), (694, 27412), (712, 26719), (979, 19432), (1246, 15268), (1388, 13706), (1958, 9716), (2429, 7832), (2492, 7634), (2776, 6853), (3817, 4984), (3916, 4858)]