1921744

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:259

約数の個数: 40

約数和(自身を含む): 4151520

約数和(自身を除く): 2229776

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 179, 244, 358, 488, 671, 716, 976, 1342, 1432, 1969, 2684, 2864, 3938, 5368, 7876, 10736, 10919, 15752, 21838, 31504, 43676, 87352, 120109, 174704, 240218, 480436, 960872, 1921744]

約数ペア:

[(1, 1921744), (2, 960872), (4, 480436), (8, 240218), (11, 174704), (16, 120109), (22, 87352), (44, 43676), (61, 31504), (88, 21838), (122, 15752), (176, 10919), (179, 10736), (244, 7876), (358, 5368), (488, 3938), (671, 2864), (716, 2684), (976, 1969), (1342, 1432)]