18781792

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:623

約数の個数: 48

約数和(自身を含む): 39357360

約数和(自身を除く): 20575568

約数列:

[1, 2, 4, 8, 16, 29, 32, 37, 58, 74, 116, 148, 232, 296, 464, 547, 592, 928, 1073, 1094, 1184, 2146, 2188, 4292, 4376, 8584, 8752, 15863, 17168, 17504, 20239, 31726, 34336, 40478, 63452, 80956, 126904, 161912, 253808, 323824, 507616, 586931, 647648, 1173862, 2347724, 4695448, 9390896, 18781792]

約数ペア:

[(1, 18781792), (2, 9390896), (4, 4695448), (8, 2347724), (16, 1173862), (29, 647648), (32, 586931), (37, 507616), (58, 323824), (74, 253808), (116, 161912), (148, 126904), (232, 80956), (296, 63452), (464, 40478), (547, 34336), (592, 31726), (928, 20239), (1073, 17504), (1094, 17168), (1184, 15863), (2146, 8752), (2188, 8584), (4292, 4376)]