19018080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:349

約数の個数: 144

約数和(自身を含む): 66515904

約数和(自身を除く): 47497824

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 60, 72, 80, 90, 94, 96, 120, 141, 144, 160, 180, 188, 235, 240, 281, 282, 288, 360, 376, 423, 470, 480, 562, 564, 705, 720, 752, 843, 846, 940, 1124, 1128, 1405, 1410, 1440, 1504, 1686, 1692, 1880, 2115, 2248, 2256, 2529, 2810, 2820, 3372, 3384, 3760, 4215, 4230, 4496, 4512, 5058, 5620, 5640, 6744, 6768, 7520, 8430, 8460, 8992, 10116, 11240, 11280, 12645, 13207, 13488, 13536, 16860, 16920, 20232, 22480, 22560, 25290, 26414, 26976, 33720, 33840, 39621, 40464, 44960, 50580, 52828, 66035, 67440, 67680, 79242, 80928, 101160, 105656, 118863, 132070, 134880, 158484, 198105, 202320, 211312, 237726, 264140, 316968, 396210, 404640, 422624, 475452, 528280, 594315, 633936, 792420, 950904, 1056560, 1188630, 1267872, 1584840, 1901808, 2113120, 2377260, 3169680, 3803616, 4754520, 6339360, 9509040, 19018080]

約数ペア:

[(1, 19018080), (2, 9509040), (3, 6339360), (4, 4754520), (5, 3803616), (6, 3169680), (8, 2377260), (9, 2113120), (10, 1901808), (12, 1584840), (15, 1267872), (16, 1188630), (18, 1056560), (20, 950904), (24, 792420), (30, 633936), (32, 594315), (36, 528280), (40, 475452), (45, 422624), (47, 404640), (48, 396210), (60, 316968), (72, 264140), (80, 237726), (90, 211312), (94, 202320), (96, 198105), (120, 158484), (141, 134880), (144, 132070), (160, 118863), (180, 105656), (188, 101160), (235, 80928), (240, 79242), (281, 67680), (282, 67440), (288, 66035), (360, 52828), (376, 50580), (423, 44960), (470, 40464), (480, 39621), (562, 33840), (564, 33720), (705, 26976), (720, 26414), (752, 25290), (843, 22560), (846, 22480), (940, 20232), (1124, 16920), (1128, 16860), (1405, 13536), (1410, 13488), (1440, 13207), (1504, 12645), (1686, 11280), (1692, 11240), (1880, 10116), (2115, 8992), (2248, 8460), (2256, 8430), (2529, 7520), (2810, 6768), (2820, 6744), (3372, 5640), (3384, 5620), (3760, 5058), (4215, 4512), (4230, 4496)]