18783435872

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{207341}}^1$

素因数の和:207519

約数の個数: 48

約数和(自身を含む): 39187638000

約数和(自身を除く): 20404202128

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 149, 152, 298, 304, 596, 608, 1192, 2384, 2831, 4768, 5662, 11324, 22648, 45296, 90592, 207341, 414682, 829364, 1658728, 3317456, 3939479, 6634912, 7878958, 15757916, 30893809, 31515832, 61787618, 63031664, 123575236, 126063328, 247150472, 494300944, 586982371, 988601888, 1173964742, 2347929484, 4695858968, 9391717936, 18783435872]

約数ペア:

[(1, 18783435872), (2, 9391717936), (4, 4695858968), (8, 2347929484), (16, 1173964742), (19, 988601888), (32, 586982371), (38, 494300944), (76, 247150472), (149, 126063328), (152, 123575236), (298, 63031664), (304, 61787618), (596, 31515832), (608, 30893809), (1192, 15757916), (2384, 7878958), (2831, 6634912), (4768, 3939479), (5662, 3317456), (11324, 1658728), (22648, 829364), (45296, 414682), (90592, 207341)]