18459136

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{1163}}^1$

素因数の和:1212

約数の個数: 40

約数和(自身を含む): 38104704

約数和(自身を除く): 19645568

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1163, 1984, 2326, 3968, 4652, 7936, 9304, 15872, 18608, 36053, 37216, 72106, 74432, 144212, 148864, 288424, 297728, 576848, 595456, 1153696, 2307392, 4614784, 9229568, 18459136]

約数ペア:

[(1, 18459136), (2, 9229568), (4, 4614784), (8, 2307392), (16, 1153696), (31, 595456), (32, 576848), (62, 297728), (64, 288424), (124, 148864), (128, 144212), (248, 74432), (256, 72106), (496, 37216), (512, 36053), (992, 18608), (1163, 15872), (1984, 9304), (2326, 7936), (3968, 4652)]