19961088

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 62791680

約数和(自身を除く): 42830592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 47, 48, 56, 64, 79, 84, 94, 96, 112, 128, 141, 158, 168, 188, 192, 224, 237, 256, 282, 316, 329, 336, 376, 384, 448, 474, 553, 564, 632, 658, 672, 752, 768, 896, 948, 987, 1106, 1128, 1264, 1316, 1344, 1504, 1659, 1792, 1896, 1974, 2212, 2256, 2528, 2632, 2688, 3008, 3318, 3713, 3792, 3948, 4424, 4512, 5056, 5264, 5376, 6016, 6636, 7426, 7584, 7896, 8848, 9024, 10112, 10528, 11139, 12032, 13272, 14852, 15168, 15792, 17696, 18048, 20224, 21056, 22278, 25991, 26544, 29704, 30336, 31584, 35392, 36096, 42112, 44556, 51982, 53088, 59408, 60672, 63168, 70784, 77973, 84224, 89112, 103964, 106176, 118816, 126336, 141568, 155946, 178224, 207928, 212352, 237632, 252672, 311892, 356448, 415856, 424704, 475264, 623784, 712896, 831712, 950528, 1247568, 1425792, 1663424, 2495136, 2851584, 3326848, 4990272, 6653696, 9980544, 19961088]

約数ペア:

[(1, 19961088), (2, 9980544), (3, 6653696), (4, 4990272), (6, 3326848), (7, 2851584), (8, 2495136), (12, 1663424), (14, 1425792), (16, 1247568), (21, 950528), (24, 831712), (28, 712896), (32, 623784), (42, 475264), (47, 424704), (48, 415856), (56, 356448), (64, 311892), (79, 252672), (84, 237632), (94, 212352), (96, 207928), (112, 178224), (128, 155946), (141, 141568), (158, 126336), (168, 118816), (188, 106176), (192, 103964), (224, 89112), (237, 84224), (256, 77973), (282, 70784), (316, 63168), (329, 60672), (336, 59408), (376, 53088), (384, 51982), (448, 44556), (474, 42112), (553, 36096), (564, 35392), (632, 31584), (658, 30336), (672, 29704), (752, 26544), (768, 25991), (896, 22278), (948, 21056), (987, 20224), (1106, 18048), (1128, 17696), (1264, 15792), (1316, 15168), (1344, 14852), (1504, 13272), (1659, 12032), (1792, 11139), (1896, 10528), (1974, 10112), (2212, 9024), (2256, 8848), (2528, 7896), (2632, 7584), (2688, 7426), (3008, 6636), (3318, 6016), (3713, 5376), (3792, 5264), (3948, 5056), (4424, 4512)]