18974208

素因数分解:

$2^9\times 3^1\times {\mathrm{11}}^1\times {\mathrm{1123}}^1$

素因数の和:1155

約数の個数: 80

約数和(自身を含む): 55192896

約数和(自身を除く): 36218688

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 256, 264, 352, 384, 512, 528, 704, 768, 1056, 1123, 1408, 1536, 2112, 2246, 2816, 3369, 4224, 4492, 5632, 6738, 8448, 8984, 12353, 13476, 16896, 17968, 24706, 26952, 35936, 37059, 49412, 53904, 71872, 74118, 98824, 107808, 143744, 148236, 197648, 215616, 287488, 296472, 395296, 431232, 574976, 592944, 790592, 862464, 1185888, 1581184, 1724928, 2371776, 3162368, 4743552, 6324736, 9487104, 18974208]

約数ペア:

[(1, 18974208), (2, 9487104), (3, 6324736), (4, 4743552), (6, 3162368), (8, 2371776), (11, 1724928), (12, 1581184), (16, 1185888), (22, 862464), (24, 790592), (32, 592944), (33, 574976), (44, 431232), (48, 395296), (64, 296472), (66, 287488), (88, 215616), (96, 197648), (128, 148236), (132, 143744), (176, 107808), (192, 98824), (256, 74118), (264, 71872), (352, 53904), (384, 49412), (512, 37059), (528, 35936), (704, 26952), (768, 24706), (1056, 17968), (1123, 16896), (1408, 13476), (1536, 12353), (2112, 8984), (2246, 8448), (2816, 6738), (3369, 5632), (4224, 4492)]