19164376

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 45722880

約数和(自身を除く): 26558504

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 53, 56, 77, 88, 106, 154, 212, 308, 371, 424, 583, 587, 616, 742, 1166, 1174, 1484, 2332, 2348, 2968, 4081, 4109, 4664, 4696, 6457, 8162, 8218, 12914, 16324, 16436, 25828, 31111, 32648, 32872, 45199, 51656, 62222, 90398, 124444, 180796, 217777, 248888, 342221, 361592, 435554, 684442, 871108, 1368884, 1742216, 2395547, 2737768, 4791094, 9582188, 19164376]

約数ペア:

[(1, 19164376), (2, 9582188), (4, 4791094), (7, 2737768), (8, 2395547), (11, 1742216), (14, 1368884), (22, 871108), (28, 684442), (44, 435554), (53, 361592), (56, 342221), (77, 248888), (88, 217777), (106, 180796), (154, 124444), (212, 90398), (308, 62222), (371, 51656), (424, 45199), (583, 32872), (587, 32648), (616, 31111), (742, 25828), (1166, 16436), (1174, 16324), (1484, 12914), (2332, 8218), (2348, 8162), (2968, 6457), (4081, 4696), (4109, 4664)]