19001783745

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{937}}^1$

素因数の和:1520

約数の個数: 144

約数和(自身を含む): 40685915088

約数和(自身を除く): 21684131343

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 105, 119, 147, 153, 245, 255, 315, 357, 441, 541, 595, 735, 765, 833, 937, 1071, 1623, 1785, 2205, 2499, 2705, 2811, 3787, 4165, 4685, 4869, 5355, 6559, 7497, 8115, 8433, 9197, 11361, 12495, 14055, 15929, 18935, 19677, 24345, 26509, 27591, 32795, 34083, 37485, 42165, 45913, 45985, 47787, 56805, 59031, 64379, 79527, 79645, 82773, 98385, 111503, 132545, 137739, 137955, 143361, 170415, 193137, 229565, 238581, 238935, 295155, 321895, 334509, 397635, 413217, 413865, 450653, 506917, 557515, 579411, 688695, 716805, 780521, 965685, 1003527, 1192905, 1351959, 1520751, 1672545, 2066085, 2253265, 2341563, 2534585, 2897055, 3548419, 3902605, 4055877, 4562253, 5017635, 6759795, 7024689, 7603755, 8617589, 10645257, 11707815, 17742095, 20279385, 22811265, 24838933, 25852767, 31935771, 35123445, 43087945, 53226285, 60323123, 74516799, 77558301, 124194665, 129263835, 159678855, 180969369, 223550397, 301615615, 372583995, 387791505, 422261861, 542908107, 904846845, 1117751985, 1266785583, 2111309305, 2714540535, 3800356749, 6333927915, 19001783745]

約数ペア:

[(1, 19001783745), (3, 6333927915), (5, 3800356749), (7, 2714540535), (9, 2111309305), (15, 1266785583), (17, 1117751985), (21, 904846845), (35, 542908107), (45, 422261861), (49, 387791505), (51, 372583995), (63, 301615615), (85, 223550397), (105, 180969369), (119, 159678855), (147, 129263835), (153, 124194665), (245, 77558301), (255, 74516799), (315, 60323123), (357, 53226285), (441, 43087945), (541, 35123445), (595, 31935771), (735, 25852767), (765, 24838933), (833, 22811265), (937, 20279385), (1071, 17742095), (1623, 11707815), (1785, 10645257), (2205, 8617589), (2499, 7603755), (2705, 7024689), (2811, 6759795), (3787, 5017635), (4165, 4562253), (4685, 4055877), (4869, 3902605), (5355, 3548419), (6559, 2897055), (7497, 2534585), (8115, 2341563), (8433, 2253265), (9197, 2066085), (11361, 1672545), (12495, 1520751), (14055, 1351959), (15929, 1192905), (18935, 1003527), (19677, 965685), (24345, 780521), (26509, 716805), (27591, 688695), (32795, 579411), (34083, 557515), (37485, 506917), (42165, 450653), (45913, 413865), (45985, 413217), (47787, 397635), (56805, 334509), (59031, 321895), (64379, 295155), (79527, 238935), (79645, 238581), (82773, 229565), (98385, 193137), (111503, 170415), (132545, 143361), (137739, 137955)]