19278441

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23539}}^1$

素因数の和:23565

約数の個数: 24

約数和(自身を含む): 34274240

約数和(自身を除く): 14995799

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 23539, 70617, 164773, 211851, 306007, 494319, 918021, 1482957, 2142049, 2754063, 6426147, 19278441]

約数ペア:

[(1, 19278441), (3, 6426147), (7, 2754063), (9, 2142049), (13, 1482957), (21, 918021), (39, 494319), (63, 306007), (91, 211851), (117, 164773), (273, 70617), (819, 23539)]