18447657987

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1\times {\mathrm{29683}}^1$

素因数の和:30243

約数の個数: 32

約数和(自身を含む): 27613244160

約数和(自身を除く): 9165586173

約数列:

[1, 3, 11, 33, 37, 111, 407, 509, 1221, 1527, 5599, 16797, 18833, 29683, 56499, 89049, 207163, 326513, 621489, 979539, 1098271, 3294813, 12080981, 15108647, 36242943, 45325941, 166195117, 498585351, 559019939, 1677059817, 6149219329, 18447657987]

約数ペア:

[(1, 18447657987), (3, 6149219329), (11, 1677059817), (33, 559019939), (37, 498585351), (111, 166195117), (407, 45325941), (509, 36242943), (1221, 15108647), (1527, 12080981), (5599, 3294813), (16797, 1098271), (18833, 979539), (29683, 621489), (56499, 326513), (89049, 207163)]