18658816

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{3313}}^1$

素因数の和:3342

約数の個数: 40

約数和(自身を含む): 40682664

約数和(自身を除く): 22023848

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1408, 2816, 3313, 5632, 6626, 13252, 26504, 36443, 53008, 72886, 106016, 145772, 212032, 291544, 424064, 583088, 848128, 1166176, 1696256, 2332352, 4664704, 9329408, 18658816]

約数ペア:

[(1, 18658816), (2, 9329408), (4, 4664704), (8, 2332352), (11, 1696256), (16, 1166176), (22, 848128), (32, 583088), (44, 424064), (64, 291544), (88, 212032), (128, 145772), (176, 106016), (256, 72886), (352, 53008), (512, 36443), (704, 26504), (1408, 13252), (2816, 6626), (3313, 5632)]