19890682

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 38522880

約数和(自身を除く): 18632198

約数列:

[1, 2, 7, 14, 19, 37, 38, 43, 47, 74, 86, 94, 133, 259, 266, 301, 329, 518, 602, 658, 703, 817, 893, 1406, 1591, 1634, 1739, 1786, 2021, 3182, 3478, 4042, 4921, 5719, 6251, 9842, 11137, 11438, 12173, 12502, 14147, 22274, 24346, 28294, 30229, 33041, 38399, 60458, 66082, 74777, 76798, 149554, 211603, 231287, 268793, 423206, 462574, 523439, 537586, 1046878, 1420763, 2841526, 9945341, 19890682]

約数ペア:

[(1, 19890682), (2, 9945341), (7, 2841526), (14, 1420763), (19, 1046878), (37, 537586), (38, 523439), (43, 462574), (47, 423206), (74, 268793), (86, 231287), (94, 211603), (133, 149554), (259, 76798), (266, 74777), (301, 66082), (329, 60458), (518, 38399), (602, 33041), (658, 30229), (703, 28294), (817, 24346), (893, 22274), (1406, 14147), (1591, 12502), (1634, 12173), (1739, 11438), (1786, 11137), (2021, 9842), (3182, 6251), (3478, 5719), (4042, 4921)]