19811616

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:354

約数の個数: 96

約数和(自身を含む): 57734208

約数和(自身を除く): 37922592

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 73, 88, 96, 132, 146, 176, 219, 257, 264, 292, 352, 438, 514, 528, 584, 771, 803, 876, 1028, 1056, 1168, 1542, 1606, 1752, 2056, 2336, 2409, 2827, 3084, 3212, 3504, 4112, 4818, 5654, 6168, 6424, 7008, 8224, 8481, 9636, 11308, 12336, 12848, 16962, 18761, 19272, 22616, 24672, 25696, 33924, 37522, 38544, 45232, 56283, 67848, 75044, 77088, 90464, 112566, 135696, 150088, 206371, 225132, 271392, 300176, 412742, 450264, 600352, 619113, 825484, 900528, 1238226, 1650968, 1801056, 2476452, 3301936, 4952904, 6603872, 9905808, 19811616]

約数ペア:

[(1, 19811616), (2, 9905808), (3, 6603872), (4, 4952904), (6, 3301936), (8, 2476452), (11, 1801056), (12, 1650968), (16, 1238226), (22, 900528), (24, 825484), (32, 619113), (33, 600352), (44, 450264), (48, 412742), (66, 300176), (73, 271392), (88, 225132), (96, 206371), (132, 150088), (146, 135696), (176, 112566), (219, 90464), (257, 77088), (264, 75044), (292, 67848), (352, 56283), (438, 45232), (514, 38544), (528, 37522), (584, 33924), (771, 25696), (803, 24672), (876, 22616), (1028, 19272), (1056, 18761), (1168, 16962), (1542, 12848), (1606, 12336), (1752, 11308), (2056, 9636), (2336, 8481), (2409, 8224), (2827, 7008), (3084, 6424), (3212, 6168), (3504, 5654), (4112, 4818)]