18615584

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{613}}^1$

素因数の和:709

約数の個数: 48

約数和(自身を含む): 40074552

約数和(自身を除く): 21458968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 73, 104, 146, 208, 292, 416, 584, 613, 949, 1168, 1226, 1898, 2336, 2452, 3796, 4904, 7592, 7969, 9808, 15184, 15938, 19616, 30368, 31876, 44749, 63752, 89498, 127504, 178996, 255008, 357992, 581737, 715984, 1163474, 1431968, 2326948, 4653896, 9307792, 18615584]

約数ペア:

[(1, 18615584), (2, 9307792), (4, 4653896), (8, 2326948), (13, 1431968), (16, 1163474), (26, 715984), (32, 581737), (52, 357992), (73, 255008), (104, 178996), (146, 127504), (208, 89498), (292, 63752), (416, 44749), (584, 31876), (613, 30368), (949, 19616), (1168, 15938), (1226, 15184), (1898, 9808), (2336, 7969), (2452, 7592), (3796, 4904)]