18901827

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15791}}^1$

素因数の和:15823

約数の個数: 24

約数和(自身を含む): 32847360

約数和(自身を除く): 13945533

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 15791, 47373, 110537, 142119, 300029, 331611, 900087, 994833, 2100203, 2700261, 6300609, 18901827]

約数ペア:

[(1, 18901827), (3, 6300609), (7, 2700261), (9, 2100203), (19, 994833), (21, 900087), (57, 331611), (63, 300029), (133, 142119), (171, 110537), (399, 47373), (1197, 15791)]