19665624

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 54080640

約数和(自身を除く): 34415016

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 163, 264, 326, 457, 489, 652, 914, 978, 1304, 1371, 1793, 1828, 1956, 2742, 3586, 3656, 3912, 5027, 5379, 5484, 7172, 10054, 10758, 10968, 14344, 15081, 20108, 21516, 30162, 40216, 43032, 60324, 74491, 120648, 148982, 223473, 297964, 446946, 595928, 819401, 893892, 1638802, 1787784, 2458203, 3277604, 4916406, 6555208, 9832812, 19665624]

約数ペア:

[(1, 19665624), (2, 9832812), (3, 6555208), (4, 4916406), (6, 3277604), (8, 2458203), (11, 1787784), (12, 1638802), (22, 893892), (24, 819401), (33, 595928), (44, 446946), (66, 297964), (88, 223473), (132, 148982), (163, 120648), (264, 74491), (326, 60324), (457, 43032), (489, 40216), (652, 30162), (914, 21516), (978, 20108), (1304, 15081), (1371, 14344), (1793, 10968), (1828, 10758), (1956, 10054), (2742, 7172), (3586, 5484), (3656, 5379), (3912, 5027)]