18235136

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 40225920

約数和(自身を除く): 21990784

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 128, 152, 163, 184, 256, 304, 326, 368, 437, 608, 652, 736, 874, 1216, 1304, 1472, 1748, 2432, 2608, 2944, 3097, 3496, 3749, 4864, 5216, 5888, 6194, 6992, 7498, 10432, 12388, 13984, 14996, 20864, 24776, 27968, 29992, 41728, 49552, 55936, 59984, 71231, 99104, 111872, 119968, 142462, 198208, 239936, 284924, 396416, 479872, 569848, 792832, 959744, 1139696, 2279392, 4558784, 9117568, 18235136]

約数ペア:

[(1, 18235136), (2, 9117568), (4, 4558784), (8, 2279392), (16, 1139696), (19, 959744), (23, 792832), (32, 569848), (38, 479872), (46, 396416), (64, 284924), (76, 239936), (92, 198208), (128, 142462), (152, 119968), (163, 111872), (184, 99104), (256, 71231), (304, 59984), (326, 55936), (368, 49552), (437, 41728), (608, 29992), (652, 27968), (736, 24776), (874, 20864), (1216, 14996), (1304, 13984), (1472, 12388), (1748, 10432), (2432, 7498), (2608, 6992), (2944, 6194), (3097, 5888), (3496, 5216), (3749, 4864)]