18840976

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 46747008

約数和(自身を除く): 27906032

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 41, 44, 56, 77, 82, 88, 112, 154, 164, 176, 287, 308, 328, 373, 451, 574, 616, 656, 746, 902, 1148, 1232, 1492, 1804, 2296, 2611, 2984, 3157, 3608, 4103, 4592, 5222, 5968, 6314, 7216, 8206, 10444, 12628, 15293, 16412, 20888, 25256, 28721, 30586, 32824, 41776, 50512, 57442, 61172, 65648, 107051, 114884, 122344, 168223, 214102, 229768, 244688, 336446, 428204, 459536, 672892, 856408, 1177561, 1345784, 1712816, 2355122, 2691568, 4710244, 9420488, 18840976]

約数ペア:

[(1, 18840976), (2, 9420488), (4, 4710244), (7, 2691568), (8, 2355122), (11, 1712816), (14, 1345784), (16, 1177561), (22, 856408), (28, 672892), (41, 459536), (44, 428204), (56, 336446), (77, 244688), (82, 229768), (88, 214102), (112, 168223), (154, 122344), (164, 114884), (176, 107051), (287, 65648), (308, 61172), (328, 57442), (373, 50512), (451, 41776), (574, 32824), (616, 30586), (656, 28721), (746, 25256), (902, 20888), (1148, 16412), (1232, 15293), (1492, 12628), (1804, 10444), (2296, 8206), (2611, 7216), (2984, 6314), (3157, 5968), (3608, 5222), (4103, 4592)]