19149568

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 41861120

約数和(自身を除く): 22711552

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 127, 128, 152, 248, 254, 256, 304, 496, 508, 589, 608, 992, 1016, 1178, 1216, 1984, 2032, 2356, 2413, 2432, 3937, 3968, 4064, 4712, 4826, 4864, 7874, 7936, 8128, 9424, 9652, 15748, 16256, 18848, 19304, 31496, 32512, 37696, 38608, 62992, 74803, 75392, 77216, 125984, 149606, 150784, 154432, 251968, 299212, 308864, 503936, 598424, 617728, 1007872, 1196848, 2393696, 4787392, 9574784, 19149568]

約数ペア:

[(1, 19149568), (2, 9574784), (4, 4787392), (8, 2393696), (16, 1196848), (19, 1007872), (31, 617728), (32, 598424), (38, 503936), (62, 308864), (64, 299212), (76, 251968), (124, 154432), (127, 150784), (128, 149606), (152, 125984), (248, 77216), (254, 75392), (256, 74803), (304, 62992), (496, 38608), (508, 37696), (589, 32512), (608, 31496), (992, 19304), (1016, 18848), (1178, 16256), (1216, 15748), (1984, 9652), (2032, 9424), (2356, 8128), (2413, 7936), (2432, 7874), (3937, 4864), (3968, 4826), (4064, 4712)]