19995111488

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{5867}}^1$

素因数の和:6040

約数の個数: 112

約数和(自身を含む): 44642617344

約数和(自身を除く): 24647505856

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 47, 64, 88, 94, 103, 176, 188, 206, 352, 376, 412, 517, 704, 752, 824, 1034, 1133, 1504, 1648, 2068, 2266, 3008, 3296, 4136, 4532, 4841, 5867, 6592, 8272, 9064, 9682, 11734, 16544, 18128, 19364, 23468, 33088, 36256, 38728, 46936, 53251, 64537, 72512, 77456, 93872, 106502, 129074, 154912, 187744, 213004, 258148, 275749, 309824, 375488, 426008, 516296, 551498, 604301, 852016, 1032592, 1102996, 1208602, 1704032, 2065184, 2205992, 2417204, 3033239, 3408064, 4130368, 4411984, 4834408, 6066478, 6647311, 8823968, 9668816, 12132956, 13294622, 17647936, 19337632, 24265912, 26589244, 28402147, 38675264, 48531824, 53178488, 56804294, 97063648, 106356976, 113608588, 194127296, 212713952, 227217176, 312423617, 425427904, 454434352, 624847234, 908868704, 1249694468, 1817737408, 2499388936, 4998777872, 9997555744, 19995111488]

約数ペア:

[(1, 19995111488), (2, 9997555744), (4, 4998777872), (8, 2499388936), (11, 1817737408), (16, 1249694468), (22, 908868704), (32, 624847234), (44, 454434352), (47, 425427904), (64, 312423617), (88, 227217176), (94, 212713952), (103, 194127296), (176, 113608588), (188, 106356976), (206, 97063648), (352, 56804294), (376, 53178488), (412, 48531824), (517, 38675264), (704, 28402147), (752, 26589244), (824, 24265912), (1034, 19337632), (1133, 17647936), (1504, 13294622), (1648, 12132956), (2068, 9668816), (2266, 8823968), (3008, 6647311), (3296, 6066478), (4136, 4834408), (4532, 4411984), (4841, 4130368), (5867, 3408064), (6592, 3033239), (8272, 2417204), (9064, 2205992), (9682, 2065184), (11734, 1704032), (16544, 1208602), (18128, 1102996), (19364, 1032592), (23468, 852016), (33088, 604301), (36256, 551498), (38728, 516296), (46936, 426008), (53251, 375488), (64537, 309824), (72512, 275749), (77456, 258148), (93872, 213004), (106502, 187744), (129074, 154912)]