18259744

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 37739520

約数和(自身を除く): 19479776

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 79, 124, 158, 233, 248, 316, 466, 496, 632, 932, 992, 1264, 1864, 2449, 2528, 3728, 4898, 7223, 7456, 9796, 14446, 18407, 19592, 28892, 36814, 39184, 57784, 73628, 78368, 115568, 147256, 231136, 294512, 570617, 589024, 1141234, 2282468, 4564936, 9129872, 18259744]

約数ペア:

[(1, 18259744), (2, 9129872), (4, 4564936), (8, 2282468), (16, 1141234), (31, 589024), (32, 570617), (62, 294512), (79, 231136), (124, 147256), (158, 115568), (233, 78368), (248, 73628), (316, 57784), (466, 39184), (496, 36814), (632, 28892), (932, 19592), (992, 18407), (1264, 14446), (1864, 9796), (2449, 7456), (2528, 7223), (3728, 4898)]