18627220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49019}}^1$

素因数の和:49047

約数の個数: 24

約数和(自身を含む): 41176800

約数和(自身を除く): 22549580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 49019, 98038, 196076, 245095, 490190, 931361, 980380, 1862722, 3725444, 4656805, 9313610, 18627220]

約数ペア:

[(1, 18627220), (2, 9313610), (4, 4656805), (5, 3725444), (10, 1862722), (19, 980380), (20, 931361), (38, 490190), (76, 245095), (95, 196076), (190, 98038), (380, 49019)]