19009210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 39657600

約数和(自身を除く): 20648390

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 59, 101, 110, 118, 145, 202, 290, 295, 319, 505, 590, 638, 649, 1010, 1111, 1298, 1595, 1711, 2222, 2929, 3190, 3245, 3422, 5555, 5858, 5959, 6490, 8555, 11110, 11918, 14645, 17110, 18821, 29290, 29795, 32219, 37642, 59590, 64438, 65549, 94105, 131098, 161095, 172811, 188210, 322190, 327745, 345622, 655490, 864055, 1728110, 1900921, 3801842, 9504605, 19009210]

約数ペア:

[(1, 19009210), (2, 9504605), (5, 3801842), (10, 1900921), (11, 1728110), (22, 864055), (29, 655490), (55, 345622), (58, 327745), (59, 322190), (101, 188210), (110, 172811), (118, 161095), (145, 131098), (202, 94105), (290, 65549), (295, 64438), (319, 59590), (505, 37642), (590, 32219), (638, 29795), (649, 29290), (1010, 18821), (1111, 17110), (1298, 14645), (1595, 11918), (1711, 11110), (2222, 8555), (2929, 6490), (3190, 5959), (3245, 5858), (3422, 5555)]