20219192

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 47155200

約数和(自身を除く): 26936008

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 152, 217, 248, 266, 434, 532, 589, 613, 868, 1064, 1178, 1226, 1736, 2356, 2452, 4123, 4291, 4712, 4904, 8246, 8582, 11647, 16492, 17164, 19003, 23294, 32984, 34328, 38006, 46588, 76012, 81529, 93176, 133021, 152024, 163058, 266042, 326116, 361057, 532084, 652232, 722114, 1064168, 1444228, 2527399, 2888456, 5054798, 10109596, 20219192]

約数ペア:

[(1, 20219192), (2, 10109596), (4, 5054798), (7, 2888456), (8, 2527399), (14, 1444228), (19, 1064168), (28, 722114), (31, 652232), (38, 532084), (56, 361057), (62, 326116), (76, 266042), (124, 163058), (133, 152024), (152, 133021), (217, 93176), (248, 81529), (266, 76012), (434, 46588), (532, 38006), (589, 34328), (613, 32984), (868, 23294), (1064, 19003), (1178, 17164), (1226, 16492), (1736, 11647), (2356, 8582), (2452, 8246), (4123, 4904), (4291, 4712)]