19951884

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^2\times {\mathrm{659}}^1$

素因数の和:727

約数の個数: 54

約数和(自身を含む): 52312260

約数和(自身を除く): 32360376

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 659, 841, 1044, 1318, 1682, 1977, 2523, 2636, 3364, 3954, 5046, 5931, 7569, 7908, 10092, 11862, 15138, 19111, 23724, 30276, 38222, 57333, 76444, 114666, 171999, 229332, 343998, 554219, 687996, 1108438, 1662657, 2216876, 3325314, 4987971, 6650628, 9975942, 19951884]

約数ペア:

[(1, 19951884), (2, 9975942), (3, 6650628), (4, 4987971), (6, 3325314), (9, 2216876), (12, 1662657), (18, 1108438), (29, 687996), (36, 554219), (58, 343998), (87, 229332), (116, 171999), (174, 114666), (261, 76444), (348, 57333), (522, 38222), (659, 30276), (841, 23724), (1044, 19111), (1318, 15138), (1682, 11862), (1977, 10092), (2523, 7908), (2636, 7569), (3364, 5931), (3954, 5046)]