19311656

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 45722880

約数和(自身を除く): 26411224

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 52, 56, 82, 91, 104, 164, 182, 287, 328, 364, 533, 574, 647, 728, 1066, 1148, 1294, 2132, 2296, 2588, 3731, 4264, 4529, 5176, 7462, 8411, 9058, 14924, 16822, 18116, 26527, 29848, 33644, 36232, 53054, 58877, 67288, 106108, 117754, 185689, 212216, 235508, 344851, 371378, 471016, 689702, 742756, 1379404, 1485512, 2413957, 2758808, 4827914, 9655828, 19311656]

約数ペア:

[(1, 19311656), (2, 9655828), (4, 4827914), (7, 2758808), (8, 2413957), (13, 1485512), (14, 1379404), (26, 742756), (28, 689702), (41, 471016), (52, 371378), (56, 344851), (82, 235508), (91, 212216), (104, 185689), (164, 117754), (182, 106108), (287, 67288), (328, 58877), (364, 53054), (533, 36232), (574, 33644), (647, 29848), (728, 26527), (1066, 18116), (1148, 16822), (1294, 14924), (2132, 9058), (2296, 8411), (2588, 7462), (3731, 5176), (4264, 4529)]