15221888

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:613

約数の個数: 64

約数和(自身を含む): 34884000

約数和(自身を除く): 19662112

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 128, 152, 176, 209, 304, 352, 418, 569, 608, 704, 836, 1138, 1216, 1408, 1672, 2276, 2432, 3344, 4552, 6259, 6688, 9104, 10811, 12518, 13376, 18208, 21622, 25036, 26752, 36416, 43244, 50072, 72832, 86488, 100144, 118921, 172976, 200288, 237842, 345952, 400576, 475684, 691904, 801152, 951368, 1383808, 1902736, 3805472, 7610944, 15221888]

約数ペア:

[(1, 15221888), (2, 7610944), (4, 3805472), (8, 1902736), (11, 1383808), (16, 951368), (19, 801152), (22, 691904), (32, 475684), (38, 400576), (44, 345952), (64, 237842), (76, 200288), (88, 172976), (128, 118921), (152, 100144), (176, 86488), (209, 72832), (304, 50072), (352, 43244), (418, 36416), (569, 26752), (608, 25036), (704, 21622), (836, 18208), (1138, 13376), (1216, 12518), (1408, 10811), (1672, 9104), (2276, 6688), (2432, 6259), (3344, 4552)]