19892907

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5653}}^1$

素因数の和:5699

約数の個数: 24

約数和(自身を含む): 31752864

約数和(自身を除く): 11859957

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 5653, 16959, 50877, 96101, 130019, 288303, 390057, 864909, 1170171, 2210323, 6630969, 19892907]

約数ペア:

[(1, 19892907), (3, 6630969), (9, 2210323), (17, 1170171), (23, 864909), (51, 390057), (69, 288303), (153, 130019), (207, 96101), (391, 50877), (1173, 16959), (3519, 5653)]