19897839

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{683}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 32175360

約数和(自身を除く): 12277521

約数列:

[1, 3, 9, 13, 27, 39, 83, 117, 249, 351, 683, 747, 1079, 2049, 2241, 3237, 6147, 8879, 9711, 18441, 26637, 29133, 56689, 79911, 170067, 239733, 510201, 736957, 1530603, 2210871, 6632613, 19897839]

約数ペア:

[(1, 19897839), (3, 6632613), (9, 2210871), (13, 1530603), (27, 736957), (39, 510201), (83, 239733), (117, 170067), (249, 79911), (351, 56689), (683, 29133), (747, 26637), (1079, 18441), (2049, 9711), (2241, 8879), (3237, 6147)]