18446368

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 38537856

約数和(自身を除く): 20091488

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 71, 92, 142, 184, 284, 353, 368, 568, 706, 736, 1136, 1412, 1633, 2272, 2824, 3266, 5648, 6532, 8119, 11296, 13064, 16238, 25063, 26128, 32476, 50126, 52256, 64952, 100252, 129904, 200504, 259808, 401008, 576449, 802016, 1152898, 2305796, 4611592, 9223184, 18446368]

約数ペア:

[(1, 18446368), (2, 9223184), (4, 4611592), (8, 2305796), (16, 1152898), (23, 802016), (32, 576449), (46, 401008), (71, 259808), (92, 200504), (142, 129904), (184, 100252), (284, 64952), (353, 52256), (368, 50126), (568, 32476), (706, 26128), (736, 25063), (1136, 16238), (1412, 13064), (1633, 11296), (2272, 8119), (2824, 6532), (3266, 5648)]