19985502

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{443}}^1$

素因数の和:624

約数の個数: 32

約数和(自身を含む): 41004288

約数和(自身を除く): 21018786

約数列:

[1, 2, 3, 6, 73, 103, 146, 206, 219, 309, 438, 443, 618, 886, 1329, 2658, 7519, 15038, 22557, 32339, 45114, 45629, 64678, 91258, 97017, 136887, 194034, 273774, 3330917, 6661834, 9992751, 19985502]

約数ペア:

[(1, 19985502), (2, 9992751), (3, 6661834), (6, 3330917), (73, 273774), (103, 194034), (146, 136887), (206, 97017), (219, 91258), (309, 64678), (438, 45629), (443, 45114), (618, 32339), (886, 22557), (1329, 15038), (2658, 7519)]