19719224

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 44943360

約数和(自身を除く): 25224136

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 37, 56, 62, 74, 124, 148, 217, 248, 259, 296, 307, 434, 518, 614, 868, 1036, 1147, 1228, 1736, 2072, 2149, 2294, 2456, 4298, 4588, 8029, 8596, 9176, 9517, 11359, 16058, 17192, 19034, 22718, 32116, 38068, 45436, 64232, 66619, 76136, 79513, 90872, 133238, 159026, 266476, 318052, 352129, 532952, 636104, 704258, 1408516, 2464903, 2817032, 4929806, 9859612, 19719224]

約数ペア:

[(1, 19719224), (2, 9859612), (4, 4929806), (7, 2817032), (8, 2464903), (14, 1408516), (28, 704258), (31, 636104), (37, 532952), (56, 352129), (62, 318052), (74, 266476), (124, 159026), (148, 133238), (217, 90872), (248, 79513), (259, 76136), (296, 66619), (307, 64232), (434, 45436), (518, 38068), (614, 32116), (868, 22718), (1036, 19034), (1147, 17192), (1228, 16058), (1736, 11359), (2072, 9517), (2149, 9176), (2294, 8596), (2456, 8029), (4298, 4588)]