19313008

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 45997056

約数和(自身を除く): 26684048

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 23, 26, 44, 46, 52, 88, 92, 104, 143, 176, 184, 208, 253, 286, 299, 367, 368, 506, 572, 598, 734, 1012, 1144, 1196, 1468, 2024, 2288, 2392, 2936, 3289, 4037, 4048, 4771, 4784, 5872, 6578, 8074, 8441, 9542, 13156, 16148, 16882, 19084, 26312, 32296, 33764, 38168, 52481, 52624, 64592, 67528, 76336, 92851, 104962, 109733, 135056, 185702, 209924, 219466, 371404, 419848, 438932, 742808, 839696, 877864, 1207063, 1485616, 1755728, 2414126, 4828252, 9656504, 19313008]

約数ペア:

[(1, 19313008), (2, 9656504), (4, 4828252), (8, 2414126), (11, 1755728), (13, 1485616), (16, 1207063), (22, 877864), (23, 839696), (26, 742808), (44, 438932), (46, 419848), (52, 371404), (88, 219466), (92, 209924), (104, 185702), (143, 135056), (176, 109733), (184, 104962), (208, 92851), (253, 76336), (286, 67528), (299, 64592), (367, 52624), (368, 52481), (506, 38168), (572, 33764), (598, 32296), (734, 26312), (1012, 19084), (1144, 16882), (1196, 16148), (1468, 13156), (2024, 9542), (2288, 8441), (2392, 8074), (2936, 6578), (3289, 5872), (4037, 4784), (4048, 4771)]