18190976

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 39070080

約数和(自身を除く): 20879104

約数列:

[1, 2, 4, 8, 16, 23, 32, 37, 46, 64, 74, 92, 128, 148, 167, 184, 296, 334, 368, 592, 668, 736, 851, 1184, 1336, 1472, 1702, 2368, 2672, 2944, 3404, 3841, 4736, 5344, 6179, 6808, 7682, 10688, 12358, 13616, 15364, 21376, 24716, 27232, 30728, 49432, 54464, 61456, 98864, 108928, 122912, 142117, 197728, 245824, 284234, 395456, 491648, 568468, 790912, 1136936, 2273872, 4547744, 9095488, 18190976]

約数ペア:

[(1, 18190976), (2, 9095488), (4, 4547744), (8, 2273872), (16, 1136936), (23, 790912), (32, 568468), (37, 491648), (46, 395456), (64, 284234), (74, 245824), (92, 197728), (128, 142117), (148, 122912), (167, 108928), (184, 98864), (296, 61456), (334, 54464), (368, 49432), (592, 30728), (668, 27232), (736, 24716), (851, 21376), (1184, 15364), (1336, 13616), (1472, 12358), (1702, 10688), (2368, 7682), (2672, 6808), (2944, 6179), (3404, 5344), (3841, 4736)]