18933504

素因数分解:

$2^8\times 3^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 51140880

約数和(自身を除く): 32207376

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 89, 96, 128, 178, 192, 256, 267, 277, 356, 384, 534, 554, 712, 768, 831, 1068, 1108, 1424, 1662, 2136, 2216, 2848, 3324, 4272, 4432, 5696, 6648, 8544, 8864, 11392, 13296, 17088, 17728, 22784, 24653, 26592, 34176, 35456, 49306, 53184, 68352, 70912, 73959, 98612, 106368, 147918, 197224, 212736, 295836, 394448, 591672, 788896, 1183344, 1577792, 2366688, 3155584, 4733376, 6311168, 9466752, 18933504]

約数ペア:

[(1, 18933504), (2, 9466752), (3, 6311168), (4, 4733376), (6, 3155584), (8, 2366688), (12, 1577792), (16, 1183344), (24, 788896), (32, 591672), (48, 394448), (64, 295836), (89, 212736), (96, 197224), (128, 147918), (178, 106368), (192, 98612), (256, 73959), (267, 70912), (277, 68352), (356, 53184), (384, 49306), (534, 35456), (554, 34176), (712, 26592), (768, 24653), (831, 22784), (1068, 17728), (1108, 17088), (1424, 13296), (1662, 11392), (2136, 8864), (2216, 8544), (2848, 6648), (3324, 5696), (4272, 4432)]