19267668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 56131712

約数和(自身を除く): 36864044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 471, 487, 628, 942, 974, 1099, 1413, 1461, 1884, 1948, 2198, 2826, 2922, 3297, 3409, 4383, 4396, 5652, 5844, 6594, 6818, 8766, 9891, 10227, 13188, 13636, 17532, 19782, 20454, 30681, 39564, 40908, 61362, 76459, 122724, 152918, 229377, 305836, 458754, 535213, 688131, 917508, 1070426, 1376262, 1605639, 2140852, 2752524, 3211278, 4816917, 6422556, 9633834, 19267668]

約数ペア:

[(1, 19267668), (2, 9633834), (3, 6422556), (4, 4816917), (6, 3211278), (7, 2752524), (9, 2140852), (12, 1605639), (14, 1376262), (18, 1070426), (21, 917508), (28, 688131), (36, 535213), (42, 458754), (63, 305836), (84, 229377), (126, 152918), (157, 122724), (252, 76459), (314, 61362), (471, 40908), (487, 39564), (628, 30681), (942, 20454), (974, 19782), (1099, 17532), (1413, 13636), (1461, 13188), (1884, 10227), (1948, 9891), (2198, 8766), (2826, 6818), (2922, 6594), (3297, 5844), (3409, 5652), (4383, 4396)]