18696976

素因数分解:

$2^4\times {\mathrm{23}}^2\times {\mathrm{47}}^2$

素因数の和:148

約数の個数: 45

約数和(自身を含む): 38691751

約数和(自身を除く): 19994775

約数列:

[1, 2, 4, 8, 16, 23, 46, 47, 92, 94, 184, 188, 368, 376, 529, 752, 1058, 1081, 2116, 2162, 2209, 4232, 4324, 4418, 8464, 8648, 8836, 17296, 17672, 24863, 35344, 49726, 50807, 99452, 101614, 198904, 203228, 397808, 406456, 812912, 1168561, 2337122, 4674244, 9348488, 18696976]

約数ペア:

[(1, 18696976), (2, 9348488), (4, 4674244), (8, 2337122), (16, 1168561), (23, 812912), (46, 406456), (47, 397808), (92, 203228), (94, 198904), (184, 101614), (188, 99452), (368, 50807), (376, 49726), (529, 35344), (752, 24863), (1058, 17672), (1081, 17296), (2116, 8836), (2162, 8648), (2209, 8464), (4232, 4418)]