19466144

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 40420296

約数和(自身を除く): 20954152

約数列:

[1, 2, 4, 8, 16, 32, 37, 41, 74, 82, 148, 164, 296, 328, 401, 592, 656, 802, 1184, 1312, 1517, 1604, 3034, 3208, 6068, 6416, 12136, 12832, 14837, 16441, 24272, 29674, 32882, 48544, 59348, 65764, 118696, 131528, 237392, 263056, 474784, 526112, 608317, 1216634, 2433268, 4866536, 9733072, 19466144]

約数ペア:

[(1, 19466144), (2, 9733072), (4, 4866536), (8, 2433268), (16, 1216634), (32, 608317), (37, 526112), (41, 474784), (74, 263056), (82, 237392), (148, 131528), (164, 118696), (296, 65764), (328, 59348), (401, 48544), (592, 32882), (656, 29674), (802, 24272), (1184, 16441), (1312, 14837), (1517, 12832), (1604, 12136), (3034, 6416), (3208, 6068)]