19479756

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 49822416

約数和(自身を除く): 30342660

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 41, 51, 68, 82, 102, 123, 137, 164, 204, 246, 274, 289, 411, 492, 548, 578, 697, 822, 867, 1156, 1394, 1644, 1734, 2091, 2329, 2788, 3468, 4182, 4658, 5617, 6987, 8364, 9316, 11234, 11849, 13974, 16851, 22468, 23698, 27948, 33702, 35547, 39593, 47396, 67404, 71094, 79186, 95489, 118779, 142188, 158372, 190978, 237558, 286467, 381956, 475116, 572934, 1145868, 1623313, 3246626, 4869939, 6493252, 9739878, 19479756]

約数ペア:

[(1, 19479756), (2, 9739878), (3, 6493252), (4, 4869939), (6, 3246626), (12, 1623313), (17, 1145868), (34, 572934), (41, 475116), (51, 381956), (68, 286467), (82, 237558), (102, 190978), (123, 158372), (137, 142188), (164, 118779), (204, 95489), (246, 79186), (274, 71094), (289, 67404), (411, 47396), (492, 39593), (548, 35547), (578, 33702), (697, 27948), (822, 23698), (867, 22468), (1156, 16851), (1394, 13974), (1644, 11849), (1734, 11234), (2091, 9316), (2329, 8364), (2788, 6987), (3468, 5617), (4182, 4658)]