19213136

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:363

約数の個数: 40

約数和(自身を含む): 38435040

約数和(自身を除く): 19221904

約数列:

[1, 2, 4, 8, 16, 53, 106, 139, 163, 212, 278, 326, 424, 556, 652, 848, 1112, 1304, 2224, 2608, 7367, 8639, 14734, 17278, 22657, 29468, 34556, 45314, 58936, 69112, 90628, 117872, 138224, 181256, 362512, 1200821, 2401642, 4803284, 9606568, 19213136]

約数ペア:

[(1, 19213136), (2, 9606568), (4, 4803284), (8, 2401642), (16, 1200821), (53, 362512), (106, 181256), (139, 138224), (163, 117872), (212, 90628), (278, 69112), (326, 58936), (424, 45314), (556, 34556), (652, 29468), (848, 22657), (1112, 17278), (1304, 14734), (2224, 8639), (2608, 7367)]