18937218

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 42550272

約数和(自身を除く): 23613054

約数列:

[1, 2, 3, 6, 17, 31, 34, 51, 53, 62, 93, 102, 106, 113, 159, 186, 226, 318, 339, 527, 678, 901, 1054, 1581, 1643, 1802, 1921, 2703, 3162, 3286, 3503, 3842, 4929, 5406, 5763, 5989, 7006, 9858, 10509, 11526, 11978, 17967, 21018, 27931, 35934, 55862, 59551, 83793, 101813, 119102, 167586, 178653, 185659, 203626, 305439, 357306, 371318, 556977, 610878, 1113954, 3156203, 6312406, 9468609, 18937218]

約数ペア:

[(1, 18937218), (2, 9468609), (3, 6312406), (6, 3156203), (17, 1113954), (31, 610878), (34, 556977), (51, 371318), (53, 357306), (62, 305439), (93, 203626), (102, 185659), (106, 178653), (113, 167586), (159, 119102), (186, 101813), (226, 83793), (318, 59551), (339, 55862), (527, 35934), (678, 27931), (901, 21018), (1054, 17967), (1581, 11978), (1643, 11526), (1802, 10509), (1921, 9858), (2703, 7006), (3162, 5989), (3286, 5763), (3503, 5406), (3842, 4929)]