19281318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 27167322

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 59, 62, 93, 118, 177, 186, 217, 251, 354, 413, 434, 502, 651, 753, 826, 1239, 1302, 1506, 1757, 1829, 2478, 3514, 3658, 5271, 5487, 7781, 10542, 10974, 12803, 14809, 15562, 23343, 25606, 29618, 38409, 44427, 46686, 54467, 76818, 88854, 103663, 108934, 163401, 207326, 310989, 326802, 459079, 621978, 918158, 1377237, 2754474, 3213553, 6427106, 9640659, 19281318]

約数ペア:

[(1, 19281318), (2, 9640659), (3, 6427106), (6, 3213553), (7, 2754474), (14, 1377237), (21, 918158), (31, 621978), (42, 459079), (59, 326802), (62, 310989), (93, 207326), (118, 163401), (177, 108934), (186, 103663), (217, 88854), (251, 76818), (354, 54467), (413, 46686), (434, 44427), (502, 38409), (651, 29618), (753, 25606), (826, 23343), (1239, 15562), (1302, 14809), (1506, 12803), (1757, 10974), (1829, 10542), (2478, 7781), (3514, 5487), (3658, 5271)]