19754544

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:634

約数の個数: 80

約数和(自身を含む): 55389312

約数和(自身を除く): 35634768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 43, 48, 51, 68, 86, 102, 129, 136, 172, 204, 258, 272, 344, 408, 516, 563, 688, 731, 816, 1032, 1126, 1462, 1689, 2064, 2193, 2252, 2924, 3378, 4386, 4504, 5848, 6756, 8772, 9008, 9571, 11696, 13512, 17544, 19142, 24209, 27024, 28713, 35088, 38284, 48418, 57426, 72627, 76568, 96836, 114852, 145254, 153136, 193672, 229704, 290508, 387344, 411553, 459408, 581016, 823106, 1162032, 1234659, 1646212, 2469318, 3292424, 4938636, 6584848, 9877272, 19754544]

約数ペア:

[(1, 19754544), (2, 9877272), (3, 6584848), (4, 4938636), (6, 3292424), (8, 2469318), (12, 1646212), (16, 1234659), (17, 1162032), (24, 823106), (34, 581016), (43, 459408), (48, 411553), (51, 387344), (68, 290508), (86, 229704), (102, 193672), (129, 153136), (136, 145254), (172, 114852), (204, 96836), (258, 76568), (272, 72627), (344, 57426), (408, 48418), (516, 38284), (563, 35088), (688, 28713), (731, 27024), (816, 24209), (1032, 19142), (1126, 17544), (1462, 13512), (1689, 11696), (2064, 9571), (2193, 9008), (2252, 8772), (2924, 6756), (3378, 5848), (4386, 4504)]