19660256

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 49351680

約数和(自身を除く): 29691424

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 79, 88, 101, 112, 154, 158, 176, 202, 224, 308, 316, 352, 404, 553, 616, 632, 707, 808, 869, 1106, 1111, 1232, 1264, 1414, 1616, 1738, 2212, 2222, 2464, 2528, 2828, 3232, 3476, 4424, 4444, 5656, 6083, 6952, 7777, 7979, 8848, 8888, 11312, 12166, 13904, 15554, 15958, 17696, 17776, 22624, 24332, 27808, 31108, 31916, 35552, 48664, 55853, 62216, 63832, 87769, 97328, 111706, 124432, 127664, 175538, 194656, 223412, 248864, 255328, 351076, 446824, 614383, 702152, 893648, 1228766, 1404304, 1787296, 2457532, 2808608, 4915064, 9830128, 19660256]

約数ペア:

[(1, 19660256), (2, 9830128), (4, 4915064), (7, 2808608), (8, 2457532), (11, 1787296), (14, 1404304), (16, 1228766), (22, 893648), (28, 702152), (32, 614383), (44, 446824), (56, 351076), (77, 255328), (79, 248864), (88, 223412), (101, 194656), (112, 175538), (154, 127664), (158, 124432), (176, 111706), (202, 97328), (224, 87769), (308, 63832), (316, 62216), (352, 55853), (404, 48664), (553, 35552), (616, 31916), (632, 31108), (707, 27808), (808, 24332), (869, 22624), (1106, 17776), (1111, 17696), (1232, 15958), (1264, 15554), (1414, 13904), (1616, 12166), (1738, 11312), (2212, 8888), (2222, 8848), (2464, 7979), (2528, 7777), (2828, 6952), (3232, 6083), (3476, 5656), (4424, 4444)]