19114912

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 40068000

約数和(自身を除く): 20953088

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 149, 152, 211, 298, 304, 422, 596, 608, 844, 1192, 1688, 2384, 2831, 3376, 4009, 4768, 5662, 6752, 8018, 11324, 16036, 22648, 31439, 32072, 45296, 62878, 64144, 90592, 125756, 128288, 251512, 503024, 597341, 1006048, 1194682, 2389364, 4778728, 9557456, 19114912]

約数ペア:

[(1, 19114912), (2, 9557456), (4, 4778728), (8, 2389364), (16, 1194682), (19, 1006048), (32, 597341), (38, 503024), (76, 251512), (149, 128288), (152, 125756), (211, 90592), (298, 64144), (304, 62878), (422, 45296), (596, 32072), (608, 31439), (844, 22648), (1192, 16036), (1688, 11324), (2384, 8018), (2831, 6752), (3376, 5662), (4009, 4768)]