19912248

素因数分解:

$2^3\times 3^2\times {\mathrm{347}}^1\times {\mathrm{797}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 54152280

約数和(自身を除く): 34240032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 347, 694, 797, 1041, 1388, 1594, 2082, 2391, 2776, 3123, 3188, 4164, 4782, 6246, 6376, 7173, 8328, 9564, 12492, 14346, 19128, 24984, 28692, 57384, 276559, 553118, 829677, 1106236, 1659354, 2212472, 2489031, 3318708, 4978062, 6637416, 9956124, 19912248]

約数ペア:

[(1, 19912248), (2, 9956124), (3, 6637416), (4, 4978062), (6, 3318708), (8, 2489031), (9, 2212472), (12, 1659354), (18, 1106236), (24, 829677), (36, 553118), (72, 276559), (347, 57384), (694, 28692), (797, 24984), (1041, 19128), (1388, 14346), (1594, 12492), (2082, 9564), (2391, 8328), (2776, 7173), (3123, 6376), (3188, 6246), (4164, 4782)]