18222368

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 41912640

約数和(自身を除く): 23690272

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 41, 43, 68, 76, 82, 86, 136, 152, 164, 172, 272, 304, 323, 328, 344, 544, 608, 646, 656, 688, 697, 731, 779, 817, 1292, 1312, 1376, 1394, 1462, 1558, 1634, 1763, 2584, 2788, 2924, 3116, 3268, 3526, 5168, 5576, 5848, 6232, 6536, 7052, 10336, 11152, 11696, 12464, 13072, 13243, 13889, 14104, 22304, 23392, 24928, 26144, 26486, 27778, 28208, 29971, 33497, 52972, 55556, 56416, 59942, 66994, 105944, 111112, 119884, 133988, 211888, 222224, 239768, 267976, 423776, 444448, 479536, 535952, 569449, 959072, 1071904, 1138898, 2277796, 4555592, 9111184, 18222368]

約数ペア:

[(1, 18222368), (2, 9111184), (4, 4555592), (8, 2277796), (16, 1138898), (17, 1071904), (19, 959072), (32, 569449), (34, 535952), (38, 479536), (41, 444448), (43, 423776), (68, 267976), (76, 239768), (82, 222224), (86, 211888), (136, 133988), (152, 119884), (164, 111112), (172, 105944), (272, 66994), (304, 59942), (323, 56416), (328, 55556), (344, 52972), (544, 33497), (608, 29971), (646, 28208), (656, 27778), (688, 26486), (697, 26144), (731, 24928), (779, 23392), (817, 22304), (1292, 14104), (1312, 13889), (1376, 13243), (1394, 13072), (1462, 12464), (1558, 11696), (1634, 11152), (1763, 10336), (2584, 7052), (2788, 6536), (2924, 6232), (3116, 5848), (3268, 5576), (3526, 5168)]