19757584

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 50889600

約数和(自身を除く): 31132016

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 29, 44, 49, 56, 58, 77, 79, 88, 98, 112, 116, 154, 158, 176, 196, 203, 232, 308, 316, 319, 392, 406, 464, 539, 553, 616, 632, 638, 784, 812, 869, 1078, 1106, 1232, 1264, 1276, 1421, 1624, 1738, 2156, 2212, 2233, 2291, 2552, 2842, 3248, 3476, 3871, 4312, 4424, 4466, 4582, 5104, 5684, 6083, 6952, 7742, 8624, 8848, 8932, 9164, 11368, 12166, 13904, 15484, 15631, 16037, 17864, 18328, 22736, 24332, 25201, 30968, 31262, 32074, 35728, 36656, 42581, 48664, 50402, 61936, 62524, 64148, 85162, 97328, 100804, 112259, 125048, 128296, 170324, 176407, 201608, 224518, 250096, 256592, 340648, 352814, 403216, 449036, 681296, 705628, 898072, 1234849, 1411256, 1796144, 2469698, 2822512, 4939396, 9878792, 19757584]

約数ペア:

[(1, 19757584), (2, 9878792), (4, 4939396), (7, 2822512), (8, 2469698), (11, 1796144), (14, 1411256), (16, 1234849), (22, 898072), (28, 705628), (29, 681296), (44, 449036), (49, 403216), (56, 352814), (58, 340648), (77, 256592), (79, 250096), (88, 224518), (98, 201608), (112, 176407), (116, 170324), (154, 128296), (158, 125048), (176, 112259), (196, 100804), (203, 97328), (232, 85162), (308, 64148), (316, 62524), (319, 61936), (392, 50402), (406, 48664), (464, 42581), (539, 36656), (553, 35728), (616, 32074), (632, 31262), (638, 30968), (784, 25201), (812, 24332), (869, 22736), (1078, 18328), (1106, 17864), (1232, 16037), (1264, 15631), (1276, 15484), (1421, 13904), (1624, 12166), (1738, 11368), (2156, 9164), (2212, 8932), (2233, 8848), (2291, 8624), (2552, 7742), (2842, 6952), (3248, 6083), (3476, 5684), (3871, 5104), (4312, 4582), (4424, 4466)]