19712712

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 51436800

約数和(自身を除く): 31724088

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 79, 111, 148, 158, 222, 237, 281, 296, 316, 444, 474, 562, 632, 843, 888, 948, 1124, 1686, 1896, 2248, 2923, 3372, 5846, 6744, 8769, 10397, 11692, 17538, 20794, 22199, 23384, 31191, 35076, 41588, 44398, 62382, 66597, 70152, 83176, 88796, 124764, 133194, 177592, 249528, 266388, 532776, 821363, 1642726, 2464089, 3285452, 4928178, 6570904, 9856356, 19712712]

約数ペア:

[(1, 19712712), (2, 9856356), (3, 6570904), (4, 4928178), (6, 3285452), (8, 2464089), (12, 1642726), (24, 821363), (37, 532776), (74, 266388), (79, 249528), (111, 177592), (148, 133194), (158, 124764), (222, 88796), (237, 83176), (281, 70152), (296, 66597), (316, 62382), (444, 44398), (474, 41588), (562, 35076), (632, 31191), (843, 23384), (888, 22199), (948, 20794), (1124, 17538), (1686, 11692), (1896, 10397), (2248, 8769), (2923, 6744), (3372, 5846)]