19488256

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{2239}}^1$

素因数の和:2274

約数の個数: 40

約数和(自身を含む): 41247360

約数和(自身を除く): 21759104

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1088, 2176, 2239, 4352, 4478, 8704, 8956, 17912, 35824, 38063, 71648, 76126, 143296, 152252, 286592, 304504, 573184, 609008, 1146368, 1218016, 2436032, 4872064, 9744128, 19488256]

約数ペア:

[(1, 19488256), (2, 9744128), (4, 4872064), (8, 2436032), (16, 1218016), (17, 1146368), (32, 609008), (34, 573184), (64, 304504), (68, 286592), (128, 152252), (136, 143296), (256, 76126), (272, 71648), (512, 38063), (544, 35824), (1088, 17912), (2176, 8956), (2239, 8704), (4352, 4478)]