1918468864

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{7297}}^1$

素因数の和:7405

約数の個数: 72

約数和(自身を含む): 4176791360

約数和(自身を除く): 2258322496

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 128, 158, 208, 256, 316, 416, 632, 832, 1027, 1264, 1664, 2054, 2528, 3328, 4108, 5056, 7297, 8216, 10112, 14594, 16432, 20224, 29188, 32864, 58376, 65728, 94861, 116752, 131456, 189722, 233504, 262912, 379444, 467008, 576463, 758888, 934016, 1152926, 1517776, 1868032, 2305852, 3035552, 4611704, 6071104, 7494019, 9223408, 12142208, 14988038, 18446816, 24284416, 29976076, 36893632, 59952152, 73787264, 119904304, 147574528, 239808608, 479617216, 959234432, 1918468864]

約数ペア:

[(1, 1918468864), (2, 959234432), (4, 479617216), (8, 239808608), (13, 147574528), (16, 119904304), (26, 73787264), (32, 59952152), (52, 36893632), (64, 29976076), (79, 24284416), (104, 18446816), (128, 14988038), (158, 12142208), (208, 9223408), (256, 7494019), (316, 6071104), (416, 4611704), (632, 3035552), (832, 2305852), (1027, 1868032), (1264, 1517776), (1664, 1152926), (2054, 934016), (2528, 758888), (3328, 576463), (4108, 467008), (5056, 379444), (7297, 262912), (8216, 233504), (10112, 189722), (14594, 131456), (16432, 116752), (20224, 94861), (29188, 65728), (32864, 58376)]