20190863

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 27287040

約数和(自身を除く): 7096177

約数列:

[1, 7, 11, 19, 37, 77, 133, 209, 259, 373, 407, 703, 1463, 2611, 2849, 4103, 4921, 7087, 7733, 13801, 28721, 49609, 54131, 77957, 96607, 151811, 262219, 545699, 1062677, 1835533, 2884409, 20190863]

約数ペア:

[(1, 20190863), (7, 2884409), (11, 1835533), (19, 1062677), (37, 545699), (77, 262219), (133, 151811), (209, 96607), (259, 77957), (373, 54131), (407, 49609), (703, 28721), (1463, 13801), (2611, 7733), (2849, 7087), (4103, 4921)]