18988864

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:623

約数の個数: 56

約数和(自身を含む): 41257728

約数和(自身を除く): 22268864

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 136, 248, 272, 496, 527, 544, 563, 992, 1054, 1088, 1126, 1984, 2108, 2252, 4216, 4504, 8432, 9008, 9571, 16864, 17453, 18016, 19142, 33728, 34906, 36032, 38284, 69812, 76568, 139624, 153136, 279248, 296701, 306272, 558496, 593402, 612544, 1116992, 1186804, 2373608, 4747216, 9494432, 18988864]

約数ペア:

[(1, 18988864), (2, 9494432), (4, 4747216), (8, 2373608), (16, 1186804), (17, 1116992), (31, 612544), (32, 593402), (34, 558496), (62, 306272), (64, 296701), (68, 279248), (124, 153136), (136, 139624), (248, 76568), (272, 69812), (496, 38284), (527, 36032), (544, 34906), (563, 33728), (992, 19142), (1054, 18016), (1088, 17453), (1126, 16864), (1984, 9571), (2108, 9008), (2252, 8432), (4216, 4504)]