19815584

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 40914720

約数和(自身を除く): 21099136

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 131, 163, 232, 262, 326, 464, 524, 652, 928, 1048, 1304, 2096, 2608, 3799, 4192, 4727, 5216, 7598, 9454, 15196, 18908, 21353, 30392, 37816, 42706, 60784, 75632, 85412, 121568, 151264, 170824, 341648, 619237, 683296, 1238474, 2476948, 4953896, 9907792, 19815584]

約数ペア:

[(1, 19815584), (2, 9907792), (4, 4953896), (8, 2476948), (16, 1238474), (29, 683296), (32, 619237), (58, 341648), (116, 170824), (131, 151264), (163, 121568), (232, 85412), (262, 75632), (326, 60784), (464, 42706), (524, 37816), (652, 30392), (928, 21353), (1048, 18908), (1304, 15196), (2096, 9454), (2608, 7598), (3799, 5216), (4192, 4727)]