16649776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 39997440

約数和(自身を除く): 23347664

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 176, 208, 209, 247, 286, 304, 383, 418, 494, 572, 766, 836, 988, 1144, 1532, 1672, 1976, 2288, 2717, 3064, 3344, 3952, 4213, 4979, 5434, 6128, 7277, 8426, 9958, 10868, 14554, 16852, 19916, 21736, 29108, 33704, 39832, 43472, 54769, 58216, 67408, 79664, 80047, 94601, 109538, 116432, 160094, 189202, 219076, 320188, 378404, 438152, 640376, 756808, 876304, 1040611, 1280752, 1513616, 2081222, 4162444, 8324888, 16649776]

約数ペア:

[(1, 16649776), (2, 8324888), (4, 4162444), (8, 2081222), (11, 1513616), (13, 1280752), (16, 1040611), (19, 876304), (22, 756808), (26, 640376), (38, 438152), (44, 378404), (52, 320188), (76, 219076), (88, 189202), (104, 160094), (143, 116432), (152, 109538), (176, 94601), (208, 80047), (209, 79664), (247, 67408), (286, 58216), (304, 54769), (383, 43472), (418, 39832), (494, 33704), (572, 29108), (766, 21736), (836, 19916), (988, 16852), (1144, 14554), (1532, 10868), (1672, 9958), (1976, 8426), (2288, 7277), (2717, 6128), (3064, 5434), (3344, 4979), (3952, 4213)]