15720448

素因数分解:

$2^{13}\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:146

約数の個数: 56

約数和(自身を含む): 33421320

約数和(自身を除く): 17700872

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 101, 128, 152, 202, 256, 304, 404, 512, 608, 808, 1024, 1216, 1616, 1919, 2048, 2432, 3232, 3838, 4096, 4864, 6464, 7676, 8192, 9728, 12928, 15352, 19456, 25856, 30704, 38912, 51712, 61408, 77824, 103424, 122816, 155648, 206848, 245632, 413696, 491264, 827392, 982528, 1965056, 3930112, 7860224, 15720448]

約数ペア:

[(1, 15720448), (2, 7860224), (4, 3930112), (8, 1965056), (16, 982528), (19, 827392), (32, 491264), (38, 413696), (64, 245632), (76, 206848), (101, 155648), (128, 122816), (152, 103424), (202, 77824), (256, 61408), (304, 51712), (404, 38912), (512, 30704), (608, 25856), (808, 19456), (1024, 15352), (1216, 12928), (1616, 9728), (1919, 8192), (2048, 7676), (2432, 6464), (3232, 4864), (3838, 4096)]