18429993

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{293}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 27747720

約数和(自身を除く): 9317727

約数列:

[1, 3, 9, 29, 87, 241, 261, 293, 723, 879, 2169, 2637, 6989, 8497, 20967, 25491, 62901, 70613, 76473, 211839, 635517, 2047777, 6143331, 18429993]

約数ペア:

[(1, 18429993), (3, 6143331), (9, 2047777), (29, 635517), (87, 211839), (241, 76473), (261, 70613), (293, 62901), (723, 25491), (879, 20967), (2169, 8497), (2637, 6989)]