19746240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:394

約数の個数: 112

約数和(自身を含む): 63837312

約数和(自身を除く): 44091072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 134, 160, 192, 201, 240, 268, 307, 320, 335, 402, 480, 536, 614, 670, 804, 921, 960, 1005, 1072, 1228, 1340, 1535, 1608, 1842, 2010, 2144, 2456, 2680, 3070, 3216, 3684, 4020, 4288, 4605, 4912, 5360, 6140, 6432, 7368, 8040, 9210, 9824, 10720, 12280, 12864, 14736, 16080, 18420, 19648, 20569, 21440, 24560, 29472, 32160, 36840, 41138, 49120, 58944, 61707, 64320, 73680, 82276, 98240, 102845, 123414, 147360, 164552, 205690, 246828, 294720, 308535, 329104, 411380, 493656, 617070, 658208, 822760, 987312, 1234140, 1316416, 1645520, 1974624, 2468280, 3291040, 3949248, 4936560, 6582080, 9873120, 19746240]

約数ペア:

[(1, 19746240), (2, 9873120), (3, 6582080), (4, 4936560), (5, 3949248), (6, 3291040), (8, 2468280), (10, 1974624), (12, 1645520), (15, 1316416), (16, 1234140), (20, 987312), (24, 822760), (30, 658208), (32, 617070), (40, 493656), (48, 411380), (60, 329104), (64, 308535), (67, 294720), (80, 246828), (96, 205690), (120, 164552), (134, 147360), (160, 123414), (192, 102845), (201, 98240), (240, 82276), (268, 73680), (307, 64320), (320, 61707), (335, 58944), (402, 49120), (480, 41138), (536, 36840), (614, 32160), (670, 29472), (804, 24560), (921, 21440), (960, 20569), (1005, 19648), (1072, 18420), (1228, 16080), (1340, 14736), (1535, 12864), (1608, 12280), (1842, 10720), (2010, 9824), (2144, 9210), (2456, 8040), (2680, 7368), (3070, 6432), (3216, 6140), (3684, 5360), (4020, 4912), (4288, 4605)]