9921890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{90199}}^1$

素因数の和:90217

約数の個数: 16

約数和(自身を含む): 19483200

約数和(自身を除く): 9561310

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 90199, 180398, 450995, 901990, 992189, 1984378, 4960945, 9921890]

約数ペア:

[(1, 9921890), (2, 4960945), (5, 1984378), (10, 992189), (11, 901990), (22, 450995), (55, 180398), (110, 90199)]