16895788

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 39102000

約数和(自身を除く): 22206212

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 349, 364, 494, 532, 637, 698, 931, 988, 1274, 1396, 1729, 1862, 2443, 2548, 3458, 3724, 4537, 4886, 6631, 6916, 9074, 9772, 12103, 13262, 17101, 18148, 24206, 26524, 31759, 34202, 46417, 48412, 63518, 68404, 86203, 92834, 127036, 172406, 185668, 222313, 324919, 344812, 444626, 603421, 649838, 889252, 1206842, 1299676, 2413684, 4223947, 8447894, 16895788]

約数ペア:

[(1, 16895788), (2, 8447894), (4, 4223947), (7, 2413684), (13, 1299676), (14, 1206842), (19, 889252), (26, 649838), (28, 603421), (38, 444626), (49, 344812), (52, 324919), (76, 222313), (91, 185668), (98, 172406), (133, 127036), (182, 92834), (196, 86203), (247, 68404), (266, 63518), (349, 48412), (364, 46417), (494, 34202), (532, 31759), (637, 26524), (698, 24206), (931, 18148), (988, 17101), (1274, 13262), (1396, 12103), (1729, 9772), (1862, 9074), (2443, 6916), (2548, 6631), (3458, 4886), (3724, 4537)]