18732898

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 12371102

約数列:

[1, 2, 19, 29, 38, 58, 89, 178, 191, 382, 551, 1102, 1691, 2581, 3382, 3629, 5162, 5539, 7258, 11078, 16999, 33998, 49039, 98078, 105241, 210482, 322981, 492971, 645962, 985942, 9366449, 18732898]

約数ペア:

[(1, 18732898), (2, 9366449), (19, 985942), (29, 645962), (38, 492971), (58, 322981), (89, 210482), (178, 105241), (191, 98078), (382, 49039), (551, 33998), (1102, 16999), (1691, 11078), (2581, 7258), (3382, 5539), (3629, 5162)]