18697216

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:101

約数の個数: 66

約数和(自身を含む): 40653420

約数和(自身を除く): 21956204

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 304, 496, 512, 589, 608, 961, 992, 1024, 1178, 1216, 1922, 1984, 2356, 2432, 3844, 3968, 4712, 4864, 7688, 7936, 9424, 9728, 15376, 15872, 18259, 18848, 19456, 30752, 31744, 36518, 37696, 61504, 73036, 75392, 123008, 146072, 150784, 246016, 292144, 301568, 492032, 584288, 603136, 984064, 1168576, 2337152, 4674304, 9348608, 18697216]

約数ペア:

[(1, 18697216), (2, 9348608), (4, 4674304), (8, 2337152), (16, 1168576), (19, 984064), (31, 603136), (32, 584288), (38, 492032), (62, 301568), (64, 292144), (76, 246016), (124, 150784), (128, 146072), (152, 123008), (248, 75392), (256, 73036), (304, 61504), (496, 37696), (512, 36518), (589, 31744), (608, 30752), (961, 19456), (992, 18848), (1024, 18259), (1178, 15872), (1216, 15376), (1922, 9728), (1984, 9424), (2356, 7936), (2432, 7688), (3844, 4864), (3968, 4712)]